Bug Summary

File:hw/display/sm501.c
Location:line 1326, column 6
Description:Value stored to 'update' during its initialization is never read

Annotated Source Code

1/*
2 * QEMU SM501 Device
3 *
4 * Copyright (c) 2008 Shin-ichiro KAWASAKI
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25#include <stdio.h>
26#include "hw/hw.h"
27#include "hw/char/serial.h"
28#include "ui/console.h"
29#include "hw/devices.h"
30#include "hw/sysbus.h"
31#include "qemu/range.h"
32#include "ui/pixel_ops.h"
33
34/*
35 * Status: 2010/05/07
36 * - Minimum implementation for Linux console : mmio regs and CRT layer.
37 * - 2D grapihcs acceleration partially supported : only fill rectangle.
38 *
39 * TODO:
40 * - Panel support
41 * - Touch panel support
42 * - USB support
43 * - UART support
44 * - More 2D graphics engine support
45 * - Performance tuning
46 */
47
48//#define DEBUG_SM501
49//#define DEBUG_BITBLT
50
51#ifdef DEBUG_SM501
52#define SM501_DPRINTF(fmt, ...)do {} while(0) printf(fmt, ## __VA_ARGS__)
53#else
54#define SM501_DPRINTF(fmt, ...)do {} while(0) do {} while(0)
55#endif
56
57
58#define MMIO_BASE_OFFSET0x3e00000 0x3e00000
59
60/* SM501 register definitions taken from "linux/include/linux/sm501-regs.h" */
61
62/* System Configuration area */
63/* System config base */
64#define SM501_SYS_CONFIG(0x000000) (0x000000)
65
66/* config 1 */
67#define SM501_SYSTEM_CONTROL(0x000000) (0x000000)
68
69#define SM501_SYSCTRL_PANEL_TRISTATE(1<<0) (1<<0)
70#define SM501_SYSCTRL_MEM_TRISTATE(1<<1) (1<<1)
71#define SM501_SYSCTRL_CRT_TRISTATE(1<<2) (1<<2)
72
73#define SM501_SYSCTRL_PCI_SLAVE_BURST_MASK(3<<4) (3<<4)
74#define SM501_SYSCTRL_PCI_SLAVE_BURST_1(0<<4) (0<<4)
75#define SM501_SYSCTRL_PCI_SLAVE_BURST_2(1<<4) (1<<4)
76#define SM501_SYSCTRL_PCI_SLAVE_BURST_4(2<<4) (2<<4)
77#define SM501_SYSCTRL_PCI_SLAVE_BURST_8(3<<4) (3<<4)
78
79#define SM501_SYSCTRL_PCI_CLOCK_RUN_EN(1<<6) (1<<6)
80#define SM501_SYSCTRL_PCI_RETRY_DISABLE(1<<7) (1<<7)
81#define SM501_SYSCTRL_PCI_SUBSYS_LOCK(1<<11) (1<<11)
82#define SM501_SYSCTRL_PCI_BURST_READ_EN(1<<15) (1<<15)
83
84/* miscellaneous control */
85
86#define SM501_MISC_CONTROL(0x000004) (0x000004)
87
88#define SM501_MISC_BUS_SH(0x0) (0x0)
89#define SM501_MISC_BUS_PCI(0x1) (0x1)
90#define SM501_MISC_BUS_XSCALE(0x2) (0x2)
91#define SM501_MISC_BUS_NEC(0x6) (0x6)
92#define SM501_MISC_BUS_MASK(0x7) (0x7)
93
94#define SM501_MISC_VR_62MB(1<<3) (1<<3)
95#define SM501_MISC_CDR_RESET(1<<7) (1<<7)
96#define SM501_MISC_USB_LB(1<<8) (1<<8)
97#define SM501_MISC_USB_SLAVE(1<<9) (1<<9)
98#define SM501_MISC_BL_1(1<<10) (1<<10)
99#define SM501_MISC_MC(1<<11) (1<<11)
100#define SM501_MISC_DAC_POWER(1<<12) (1<<12)
101#define SM501_MISC_IRQ_INVERT(1<<16) (1<<16)
102#define SM501_MISC_SH(1<<17) (1<<17)
103
104#define SM501_MISC_HOLD_EMPTY(0<<18) (0<<18)
105#define SM501_MISC_HOLD_8(1<<18) (1<<18)
106#define SM501_MISC_HOLD_16(2<<18) (2<<18)
107#define SM501_MISC_HOLD_24(3<<18) (3<<18)
108#define SM501_MISC_HOLD_32(4<<18) (4<<18)
109#define SM501_MISC_HOLD_MASK(7<<18) (7<<18)
110
111#define SM501_MISC_FREQ_12(1<<24) (1<<24)
112#define SM501_MISC_PNL_24BIT(1<<25) (1<<25)
113#define SM501_MISC_8051_LE(1<<26) (1<<26)
114
115
116
117#define SM501_GPIO31_0_CONTROL(0x000008) (0x000008)
118#define SM501_GPIO63_32_CONTROL(0x00000C) (0x00000C)
119#define SM501_DRAM_CONTROL(0x000010) (0x000010)
120
121/* command list */
122#define SM501_ARBTRTN_CONTROL(0x000014) (0x000014)
123
124/* command list */
125#define SM501_COMMAND_LIST_STATUS(0x000024) (0x000024)
126
127/* interrupt debug */
128#define SM501_RAW_IRQ_STATUS(0x000028) (0x000028)
129#define SM501_RAW_IRQ_CLEAR(0x000028) (0x000028)
130#define SM501_IRQ_STATUS(0x00002C) (0x00002C)
131#define SM501_IRQ_MASK(0x000030) (0x000030)
132#define SM501_DEBUG_CONTROL(0x000034) (0x000034)
133
134/* power management */
135#define SM501_POWERMODE_P2X_SRC(1<<29) (1<<29)
136#define SM501_POWERMODE_V2X_SRC(1<<20) (1<<20)
137#define SM501_POWERMODE_M_SRC(1<<12) (1<<12)
138#define SM501_POWERMODE_M1_SRC(1<<4) (1<<4)
139
140#define SM501_CURRENT_GATE(0x000038) (0x000038)
141#define SM501_CURRENT_CLOCK(0x00003C) (0x00003C)
142#define SM501_POWER_MODE_0_GATE(0x000040) (0x000040)
143#define SM501_POWER_MODE_0_CLOCK(0x000044) (0x000044)
144#define SM501_POWER_MODE_1_GATE(0x000048) (0x000048)
145#define SM501_POWER_MODE_1_CLOCK(0x00004C) (0x00004C)
146#define SM501_SLEEP_MODE_GATE(0x000050) (0x000050)
147#define SM501_POWER_MODE_CONTROL(0x000054) (0x000054)
148
149/* power gates for units within the 501 */
150#define SM501_GATE_HOST(0) (0)
151#define SM501_GATE_MEMORY(1) (1)
152#define SM501_GATE_DISPLAY(2) (2)
153#define SM501_GATE_2D_ENGINE(3) (3)
154#define SM501_GATE_CSC(4) (4)
155#define SM501_GATE_ZVPORT(5) (5)
156#define SM501_GATE_GPIO(6) (6)
157#define SM501_GATE_UART0(7) (7)
158#define SM501_GATE_UART1(8) (8)
159#define SM501_GATE_SSP(10) (10)
160#define SM501_GATE_USB_HOST(11) (11)
161#define SM501_GATE_USB_GADGET(12) (12)
162#define SM501_GATE_UCONTROLLER(17) (17)
163#define SM501_GATE_AC97(18) (18)
164
165/* panel clock */
166#define SM501_CLOCK_P2XCLK(24) (24)
167/* crt clock */
168#define SM501_CLOCK_V2XCLK(16) (16)
169/* main clock */
170#define SM501_CLOCK_MCLK(8) (8)
171/* SDRAM controller clock */
172#define SM501_CLOCK_M1XCLK(0) (0)
173
174/* config 2 */
175#define SM501_PCI_MASTER_BASE(0x000058) (0x000058)
176#define SM501_ENDIAN_CONTROL(0x00005C) (0x00005C)
177#define SM501_DEVICEID(0x000060) (0x000060)
178/* 0x050100A0 */
179
180#define SM501_DEVICEID_SM501(0x05010000) (0x05010000)
181#define SM501_DEVICEID_IDMASK(0xffff0000) (0xffff0000)
182#define SM501_DEVICEID_REVMASK(0x000000ff) (0x000000ff)
183
184#define SM501_PLLCLOCK_COUNT(0x000064) (0x000064)
185#define SM501_MISC_TIMING(0x000068) (0x000068)
186#define SM501_CURRENT_SDRAM_CLOCK(0x00006C) (0x00006C)
187
188#define SM501_PROGRAMMABLE_PLL_CONTROL(0x000074) (0x000074)
189
190/* GPIO base */
191#define SM501_GPIO(0x010000) (0x010000)
192#define SM501_GPIO_DATA_LOW(0x00) (0x00)
193#define SM501_GPIO_DATA_HIGH(0x04) (0x04)
194#define SM501_GPIO_DDR_LOW(0x08) (0x08)
195#define SM501_GPIO_DDR_HIGH(0x0C) (0x0C)
196#define SM501_GPIO_IRQ_SETUP(0x10) (0x10)
197#define SM501_GPIO_IRQ_STATUS(0x14) (0x14)
198#define SM501_GPIO_IRQ_RESET(0x14) (0x14)
199
200/* I2C controller base */
201#define SM501_I2C(0x010040) (0x010040)
202#define SM501_I2C_BYTE_COUNT(0x00) (0x00)
203#define SM501_I2C_CONTROL(0x01) (0x01)
204#define SM501_I2C_STATUS(0x02) (0x02)
205#define SM501_I2C_RESET(0x02) (0x02)
206#define SM501_I2C_SLAVE_ADDRESS(0x03) (0x03)
207#define SM501_I2C_DATA(0x04) (0x04)
208
209/* SSP base */
210#define SM501_SSP(0x020000) (0x020000)
211
212/* Uart 0 base */
213#define SM501_UART0(0x030000) (0x030000)
214
215/* Uart 1 base */
216#define SM501_UART1(0x030020) (0x030020)
217
218/* USB host port base */
219#define SM501_USB_HOST(0x040000) (0x040000)
220
221/* USB slave/gadget base */
222#define SM501_USB_GADGET(0x060000) (0x060000)
223
224/* USB slave/gadget data port base */
225#define SM501_USB_GADGET_DATA(0x070000) (0x070000)
226
227/* Display controller/video engine base */
228#define SM501_DC(0x080000) (0x080000)
229
230/* common defines for the SM501 address registers */
231#define SM501_ADDR_FLIP(1<<31) (1<<31)
232#define SM501_ADDR_EXT(1<<27) (1<<27)
233#define SM501_ADDR_CS1(1<<26) (1<<26)
234#define SM501_ADDR_MASK(0x3f << 26) (0x3f << 26)
235
236#define SM501_FIFO_MASK(0x3 << 16) (0x3 << 16)
237#define SM501_FIFO_1(0x0 << 16) (0x0 << 16)
238#define SM501_FIFO_3(0x1 << 16) (0x1 << 16)
239#define SM501_FIFO_7(0x2 << 16) (0x2 << 16)
240#define SM501_FIFO_11(0x3 << 16) (0x3 << 16)
241
242/* common registers for panel and the crt */
243#define SM501_OFF_DC_H_TOT(0x000) (0x000)
244#define SM501_OFF_DC_V_TOT(0x008) (0x008)
245#define SM501_OFF_DC_H_SYNC(0x004) (0x004)
246#define SM501_OFF_DC_V_SYNC(0x00C) (0x00C)
247
248#define SM501_DC_PANEL_CONTROL(0x000) (0x000)
249
250#define SM501_DC_PANEL_CONTROL_FPEN(1<<27) (1<<27)
251#define SM501_DC_PANEL_CONTROL_BIAS(1<<26) (1<<26)
252#define SM501_DC_PANEL_CONTROL_DATA(1<<25) (1<<25)
253#define SM501_DC_PANEL_CONTROL_VDD(1<<24) (1<<24)
254#define SM501_DC_PANEL_CONTROL_DP(1<<23) (1<<23)
255
256#define SM501_DC_PANEL_CONTROL_TFT_888(0<<21) (0<<21)
257#define SM501_DC_PANEL_CONTROL_TFT_333(1<<21) (1<<21)
258#define SM501_DC_PANEL_CONTROL_TFT_444(2<<21) (2<<21)
259
260#define SM501_DC_PANEL_CONTROL_DE(1<<20) (1<<20)
261
262#define SM501_DC_PANEL_CONTROL_LCD_TFT(0<<18) (0<<18)
263#define SM501_DC_PANEL_CONTROL_LCD_STN8(1<<18) (1<<18)
264#define SM501_DC_PANEL_CONTROL_LCD_STN12(2<<18) (2<<18)
265
266#define SM501_DC_PANEL_CONTROL_CP(1<<14) (1<<14)
267#define SM501_DC_PANEL_CONTROL_VSP(1<<13) (1<<13)
268#define SM501_DC_PANEL_CONTROL_HSP(1<<12) (1<<12)
269#define SM501_DC_PANEL_CONTROL_CK(1<<9) (1<<9)
270#define SM501_DC_PANEL_CONTROL_TE(1<<8) (1<<8)
271#define SM501_DC_PANEL_CONTROL_VPD(1<<7) (1<<7)
272#define SM501_DC_PANEL_CONTROL_VP(1<<6) (1<<6)
273#define SM501_DC_PANEL_CONTROL_HPD(1<<5) (1<<5)
274#define SM501_DC_PANEL_CONTROL_HP(1<<4) (1<<4)
275#define SM501_DC_PANEL_CONTROL_GAMMA(1<<3) (1<<3)
276#define SM501_DC_PANEL_CONTROL_EN(1<<2) (1<<2)
277
278#define SM501_DC_PANEL_CONTROL_8BPP(0<<0) (0<<0)
279#define SM501_DC_PANEL_CONTROL_16BPP(1<<0) (1<<0)
280#define SM501_DC_PANEL_CONTROL_32BPP(2<<0) (2<<0)
281
282
283#define SM501_DC_PANEL_PANNING_CONTROL(0x004) (0x004)
284#define SM501_DC_PANEL_COLOR_KEY(0x008) (0x008)
285#define SM501_DC_PANEL_FB_ADDR(0x00C) (0x00C)
286#define SM501_DC_PANEL_FB_OFFSET(0x010) (0x010)
287#define SM501_DC_PANEL_FB_WIDTH(0x014) (0x014)
288#define SM501_DC_PANEL_FB_HEIGHT(0x018) (0x018)
289#define SM501_DC_PANEL_TL_LOC(0x01C) (0x01C)
290#define SM501_DC_PANEL_BR_LOC(0x020) (0x020)
291#define SM501_DC_PANEL_H_TOT(0x024) (0x024)
292#define SM501_DC_PANEL_H_SYNC(0x028) (0x028)
293#define SM501_DC_PANEL_V_TOT(0x02C) (0x02C)
294#define SM501_DC_PANEL_V_SYNC(0x030) (0x030)
295#define SM501_DC_PANEL_CUR_LINE(0x034) (0x034)
296
297#define SM501_DC_VIDEO_CONTROL(0x040) (0x040)
298#define SM501_DC_VIDEO_FB0_ADDR(0x044) (0x044)
299#define SM501_DC_VIDEO_FB_WIDTH(0x048) (0x048)
300#define SM501_DC_VIDEO_FB0_LAST_ADDR(0x04C) (0x04C)
301#define SM501_DC_VIDEO_TL_LOC(0x050) (0x050)
302#define SM501_DC_VIDEO_BR_LOC(0x054) (0x054)
303#define SM501_DC_VIDEO_SCALE(0x058) (0x058)
304#define SM501_DC_VIDEO_INIT_SCALE(0x05C) (0x05C)
305#define SM501_DC_VIDEO_YUV_CONSTANTS(0x060) (0x060)
306#define SM501_DC_VIDEO_FB1_ADDR(0x064) (0x064)
307#define SM501_DC_VIDEO_FB1_LAST_ADDR(0x068) (0x068)
308
309#define SM501_DC_VIDEO_ALPHA_CONTROL(0x080) (0x080)
310#define SM501_DC_VIDEO_ALPHA_FB_ADDR(0x084) (0x084)
311#define SM501_DC_VIDEO_ALPHA_FB_OFFSET(0x088) (0x088)
312#define SM501_DC_VIDEO_ALPHA_FB_LAST_ADDR(0x08C) (0x08C)
313#define SM501_DC_VIDEO_ALPHA_TL_LOC(0x090) (0x090)
314#define SM501_DC_VIDEO_ALPHA_BR_LOC(0x094) (0x094)
315#define SM501_DC_VIDEO_ALPHA_SCALE(0x098) (0x098)
316#define SM501_DC_VIDEO_ALPHA_INIT_SCALE(0x09C) (0x09C)
317#define SM501_DC_VIDEO_ALPHA_CHROMA_KEY(0x0A0) (0x0A0)
318#define SM501_DC_VIDEO_ALPHA_COLOR_LOOKUP(0x0A4) (0x0A4)
319
320#define SM501_DC_PANEL_HWC_BASE(0x0F0) (0x0F0)
321#define SM501_DC_PANEL_HWC_ADDR(0x0F0) (0x0F0)
322#define SM501_DC_PANEL_HWC_LOC(0x0F4) (0x0F4)
323#define SM501_DC_PANEL_HWC_COLOR_1_2(0x0F8) (0x0F8)
324#define SM501_DC_PANEL_HWC_COLOR_3(0x0FC) (0x0FC)
325
326#define SM501_HWC_EN(1<<31) (1<<31)
327
328#define SM501_OFF_HWC_ADDR(0x00) (0x00)
329#define SM501_OFF_HWC_LOC(0x04) (0x04)
330#define SM501_OFF_HWC_COLOR_1_2(0x08) (0x08)
331#define SM501_OFF_HWC_COLOR_3(0x0C) (0x0C)
332
333#define SM501_DC_ALPHA_CONTROL(0x100) (0x100)
334#define SM501_DC_ALPHA_FB_ADDR(0x104) (0x104)
335#define SM501_DC_ALPHA_FB_OFFSET(0x108) (0x108)
336#define SM501_DC_ALPHA_TL_LOC(0x10C) (0x10C)
337#define SM501_DC_ALPHA_BR_LOC(0x110) (0x110)
338#define SM501_DC_ALPHA_CHROMA_KEY(0x114) (0x114)
339#define SM501_DC_ALPHA_COLOR_LOOKUP(0x118) (0x118)
340
341#define SM501_DC_CRT_CONTROL(0x200) (0x200)
342
343#define SM501_DC_CRT_CONTROL_TVP(1<<15) (1<<15)
344#define SM501_DC_CRT_CONTROL_CP(1<<14) (1<<14)
345#define SM501_DC_CRT_CONTROL_VSP(1<<13) (1<<13)
346#define SM501_DC_CRT_CONTROL_HSP(1<<12) (1<<12)
347#define SM501_DC_CRT_CONTROL_VS(1<<11) (1<<11)
348#define SM501_DC_CRT_CONTROL_BLANK(1<<10) (1<<10)
349#define SM501_DC_CRT_CONTROL_SEL(1<<9) (1<<9)
350#define SM501_DC_CRT_CONTROL_TE(1<<8) (1<<8)
351#define SM501_DC_CRT_CONTROL_PIXEL_MASK(0xF << 4) (0xF << 4)
352#define SM501_DC_CRT_CONTROL_GAMMA(1<<3) (1<<3)
353#define SM501_DC_CRT_CONTROL_ENABLE(1<<2) (1<<2)
354
355#define SM501_DC_CRT_CONTROL_8BPP(0<<0) (0<<0)
356#define SM501_DC_CRT_CONTROL_16BPP(1<<0) (1<<0)
357#define SM501_DC_CRT_CONTROL_32BPP(2<<0) (2<<0)
358
359#define SM501_DC_CRT_FB_ADDR(0x204) (0x204)
360#define SM501_DC_CRT_FB_OFFSET(0x208) (0x208)
361#define SM501_DC_CRT_H_TOT(0x20C) (0x20C)
362#define SM501_DC_CRT_H_SYNC(0x210) (0x210)
363#define SM501_DC_CRT_V_TOT(0x214) (0x214)
364#define SM501_DC_CRT_V_SYNC(0x218) (0x218)
365#define SM501_DC_CRT_SIGNATURE_ANALYZER(0x21C) (0x21C)
366#define SM501_DC_CRT_CUR_LINE(0x220) (0x220)
367#define SM501_DC_CRT_MONITOR_DETECT(0x224) (0x224)
368
369#define SM501_DC_CRT_HWC_BASE(0x230) (0x230)
370#define SM501_DC_CRT_HWC_ADDR(0x230) (0x230)
371#define SM501_DC_CRT_HWC_LOC(0x234) (0x234)
372#define SM501_DC_CRT_HWC_COLOR_1_2(0x238) (0x238)
373#define SM501_DC_CRT_HWC_COLOR_3(0x23C) (0x23C)
374
375#define SM501_DC_PANEL_PALETTE(0x400) (0x400)
376
377#define SM501_DC_VIDEO_PALETTE(0x800) (0x800)
378
379#define SM501_DC_CRT_PALETTE(0xC00) (0xC00)
380
381/* Zoom Video port base */
382#define SM501_ZVPORT(0x090000) (0x090000)
383
384/* AC97/I2S base */
385#define SM501_AC97(0x0A0000) (0x0A0000)
386
387/* 8051 micro controller base */
388#define SM501_UCONTROLLER(0x0B0000) (0x0B0000)
389
390/* 8051 micro controller SRAM base */
391#define SM501_UCONTROLLER_SRAM(0x0C0000) (0x0C0000)
392
393/* DMA base */
394#define SM501_DMA(0x0D0000) (0x0D0000)
395
396/* 2d engine base */
397#define SM501_2D_ENGINE(0x100000) (0x100000)
398#define SM501_2D_SOURCE(0x00) (0x00)
399#define SM501_2D_DESTINATION(0x04) (0x04)
400#define SM501_2D_DIMENSION(0x08) (0x08)
401#define SM501_2D_CONTROL(0x0C) (0x0C)
402#define SM501_2D_PITCH(0x10) (0x10)
403#define SM501_2D_FOREGROUND(0x14) (0x14)
404#define SM501_2D_BACKGROUND(0x18) (0x18)
405#define SM501_2D_STRETCH(0x1C) (0x1C)
406#define SM501_2D_COLOR_COMPARE(0x20) (0x20)
407#define SM501_2D_COLOR_COMPARE_MASK(0x24) (0x24)
408#define SM501_2D_MASK(0x28) (0x28)
409#define SM501_2D_CLIP_TL(0x2C) (0x2C)
410#define SM501_2D_CLIP_BR(0x30) (0x30)
411#define SM501_2D_MONO_PATTERN_LOW(0x34) (0x34)
412#define SM501_2D_MONO_PATTERN_HIGH(0x38) (0x38)
413#define SM501_2D_WINDOW_WIDTH(0x3C) (0x3C)
414#define SM501_2D_SOURCE_BASE(0x40) (0x40)
415#define SM501_2D_DESTINATION_BASE(0x44) (0x44)
416#define SM501_2D_ALPHA(0x48) (0x48)
417#define SM501_2D_WRAP(0x4C) (0x4C)
418#define SM501_2D_STATUS(0x50) (0x50)
419
420#define SM501_CSC_Y_SOURCE_BASE(0xC8) (0xC8)
421#define SM501_CSC_CONSTANTS(0xCC) (0xCC)
422#define SM501_CSC_Y_SOURCE_X(0xD0) (0xD0)
423#define SM501_CSC_Y_SOURCE_Y(0xD4) (0xD4)
424#define SM501_CSC_U_SOURCE_BASE(0xD8) (0xD8)
425#define SM501_CSC_V_SOURCE_BASE(0xDC) (0xDC)
426#define SM501_CSC_SOURCE_DIMENSION(0xE0) (0xE0)
427#define SM501_CSC_SOURCE_PITCH(0xE4) (0xE4)
428#define SM501_CSC_DESTINATION(0xE8) (0xE8)
429#define SM501_CSC_DESTINATION_DIMENSION(0xEC) (0xEC)
430#define SM501_CSC_DESTINATION_PITCH(0xF0) (0xF0)
431#define SM501_CSC_SCALE_FACTOR(0xF4) (0xF4)
432#define SM501_CSC_DESTINATION_BASE(0xF8) (0xF8)
433#define SM501_CSC_CONTROL(0xFC) (0xFC)
434
435/* 2d engine data port base */
436#define SM501_2D_ENGINE_DATA(0x110000) (0x110000)
437
438/* end of register definitions */
439
440#define SM501_HWC_WIDTH(64) (64)
441#define SM501_HWC_HEIGHT(64) (64)
442
443/* SM501 local memory size taken from "linux/drivers/mfd/sm501.c" */
444static const uint32_t sm501_mem_local_size[] = {
445 [0] = 4*1024*1024,
446 [1] = 8*1024*1024,
447 [2] = 16*1024*1024,
448 [3] = 32*1024*1024,
449 [4] = 64*1024*1024,
450 [5] = 2*1024*1024,
451};
452#define get_local_mem_size(s)sm501_mem_local_size[(s)->local_mem_size_index] sm501_mem_local_size[(s)->local_mem_size_index]
453
454typedef struct SM501State {
455 /* graphic console status */
456 QemuConsole *con;
457
458 /* status & internal resources */
459 hwaddr base;
460 uint32_t local_mem_size_index;
461 uint8_t * local_mem;
462 MemoryRegion local_mem_region;
463 uint32_t last_width;
464 uint32_t last_height;
465
466 /* mmio registers */
467 uint32_t system_control;
468 uint32_t misc_control;
469 uint32_t gpio_31_0_control;
470 uint32_t gpio_63_32_control;
471 uint32_t dram_control;
472 uint32_t irq_mask;
473 uint32_t misc_timing;
474 uint32_t power_mode_control;
475
476 uint32_t uart0_ier;
477 uint32_t uart0_lcr;
478 uint32_t uart0_mcr;
479 uint32_t uart0_scr;
480
481 uint8_t dc_palette[0x400 * 3];
482
483 uint32_t dc_panel_control;
484 uint32_t dc_panel_panning_control;
485 uint32_t dc_panel_fb_addr;
486 uint32_t dc_panel_fb_offset;
487 uint32_t dc_panel_fb_width;
488 uint32_t dc_panel_fb_height;
489 uint32_t dc_panel_tl_location;
490 uint32_t dc_panel_br_location;
491 uint32_t dc_panel_h_total;
492 uint32_t dc_panel_h_sync;
493 uint32_t dc_panel_v_total;
494 uint32_t dc_panel_v_sync;
495
496 uint32_t dc_panel_hwc_addr;
497 uint32_t dc_panel_hwc_location;
498 uint32_t dc_panel_hwc_color_1_2;
499 uint32_t dc_panel_hwc_color_3;
500
501 uint32_t dc_crt_control;
502 uint32_t dc_crt_fb_addr;
503 uint32_t dc_crt_fb_offset;
504 uint32_t dc_crt_h_total;
505 uint32_t dc_crt_h_sync;
506 uint32_t dc_crt_v_total;
507 uint32_t dc_crt_v_sync;
508
509 uint32_t dc_crt_hwc_addr;
510 uint32_t dc_crt_hwc_location;
511 uint32_t dc_crt_hwc_color_1_2;
512 uint32_t dc_crt_hwc_color_3;
513
514 uint32_t twoD_source;
515 uint32_t twoD_destination;
516 uint32_t twoD_dimension;
517 uint32_t twoD_control;
518 uint32_t twoD_pitch;
519 uint32_t twoD_foreground;
520 uint32_t twoD_stretch;
521 uint32_t twoD_color_compare_mask;
522 uint32_t twoD_mask;
523 uint32_t twoD_window_width;
524 uint32_t twoD_source_base;
525 uint32_t twoD_destination_base;
526
527} SM501State;
528
529static uint32_t get_local_mem_size_index(uint32_t size)
530{
531 uint32_t norm_size = 0;
532 int i, index = 0;
533
534 for (i = 0; i < ARRAY_SIZE(sm501_mem_local_size)(sizeof(sm501_mem_local_size) / sizeof((sm501_mem_local_size)
[0]))
; i++) {
535 uint32_t new_size = sm501_mem_local_size[i];
536 if (new_size >= size) {
537 if (norm_size == 0 || norm_size > new_size) {
538 norm_size = new_size;
539 index = i;
540 }
541 }
542 }
543
544 return index;
545}
546
547/**
548 * Check the availability of hardware cursor.
549 * @param crt 0 for PANEL, 1 for CRT.
550 */
551static inline int is_hwc_enabled(SM501State *state, int crt)
552{
553 uint32_t addr = crt ? state->dc_crt_hwc_addr : state->dc_panel_hwc_addr;
554 return addr & 0x80000000;
555}
556
557/**
558 * Get the address which holds cursor pattern data.
559 * @param crt 0 for PANEL, 1 for CRT.
560 */
561static inline uint32_t get_hwc_address(SM501State *state, int crt)
562{
563 uint32_t addr = crt ? state->dc_crt_hwc_addr : state->dc_panel_hwc_addr;
564 return (addr & 0x03FFFFF0)/* >> 4*/;
565}
566
567/**
568 * Get the cursor position in y coordinate.
569 * @param crt 0 for PANEL, 1 for CRT.
570 */
571static inline uint32_t get_hwc_y(SM501State *state, int crt)
572{
573 uint32_t location = crt ? state->dc_crt_hwc_location
574 : state->dc_panel_hwc_location;
575 return (location & 0x07FF0000) >> 16;
576}
577
578/**
579 * Get the cursor position in x coordinate.
580 * @param crt 0 for PANEL, 1 for CRT.
581 */
582static inline uint32_t get_hwc_x(SM501State *state, int crt)
583{
584 uint32_t location = crt ? state->dc_crt_hwc_location
585 : state->dc_panel_hwc_location;
586 return location & 0x000007FF;
587}
588
589/**
590 * Get the cursor position in x coordinate.
591 * @param crt 0 for PANEL, 1 for CRT.
592 * @param index 0, 1, 2 or 3 which specifies color of corsor dot.
593 */
594static inline uint16_t get_hwc_color(SM501State *state, int crt, int index)
595{
596 uint32_t color_reg = 0;
597 uint16_t color_565 = 0;
598
599 if (index == 0) {
600 return 0;
601 }
602
603 switch (index) {
604 case 1:
605 case 2:
606 color_reg = crt ? state->dc_crt_hwc_color_1_2
607 : state->dc_panel_hwc_color_1_2;
608 break;
609 case 3:
610 color_reg = crt ? state->dc_crt_hwc_color_3
611 : state->dc_panel_hwc_color_3;
612 break;
613 default:
614 printf("invalid hw cursor color.\n");
615 abort();
616 }
617
618 switch (index) {
619 case 1:
620 case 3:
621 color_565 = (uint16_t)(color_reg & 0xFFFF);
622 break;
623 case 2:
624 color_565 = (uint16_t)((color_reg >> 16) & 0xFFFF);
625 break;
626 }
627 return color_565;
628}
629
630static int within_hwc_y_range(SM501State *state, int y, int crt)
631{
632 int hwc_y = get_hwc_y(state, crt);
633 return (hwc_y <= y && y < hwc_y + SM501_HWC_HEIGHT(64));
634}
635
636static void sm501_2d_operation(SM501State * s)
637{
638 /* obtain operation parameters */
639 int operation = (s->twoD_control >> 16) & 0x1f;
640 int rtl = s->twoD_control & 0x8000000;
641 int src_x = (s->twoD_source >> 16) & 0x01FFF;
642 int src_y = s->twoD_source & 0xFFFF;
643 int dst_x = (s->twoD_destination >> 16) & 0x01FFF;
644 int dst_y = s->twoD_destination & 0xFFFF;
645 int operation_width = (s->twoD_dimension >> 16) & 0x1FFF;
646 int operation_height = s->twoD_dimension & 0xFFFF;
647 uint32_t color = s->twoD_foreground;
648 int format_flags = (s->twoD_stretch >> 20) & 0x3;
649 int addressing = (s->twoD_stretch >> 16) & 0xF;
650
651 /* get frame buffer info */
652 uint8_t * src = s->local_mem + (s->twoD_source_base & 0x03FFFFFF);
653 uint8_t * dst = s->local_mem + (s->twoD_destination_base & 0x03FFFFFF);
654 int src_width = (s->dc_crt_h_total & 0x00000FFF) + 1;
655 int dst_width = (s->dc_crt_h_total & 0x00000FFF) + 1;
656
657 if (addressing != 0x0) {
658 printf("%s: only XY addressing is supported.\n", __func__);
659 abort();
660 }
661
662 if ((s->twoD_source_base & 0x08000000) ||
663 (s->twoD_destination_base & 0x08000000)) {
664 printf("%s: only local memory is supported.\n", __func__);
665 abort();
666 }
667
668 switch (operation) {
669 case 0x00: /* copy area */
670#define COPY_AREA(_bpp, _pixel_type, rtl){ int y, x, index_d, index_s; for (y = 0; y < operation_height
; y++) { for (x = 0; x < operation_width; x++) { if (rtl) {
index_s = ((src_y - y) * src_width + src_x - x) * _bpp; index_d
= ((dst_y - y) * dst_width + dst_x - x) * _bpp; } else { index_s
= ((src_y + y) * src_width + src_x + x) * _bpp; index_d = ((
dst_y + y) * dst_width + dst_x + x) * _bpp; } *(_pixel_type*)
&dst[index_d] = *(_pixel_type*)&src[index_s]; } } }
{ \
671 int y, x, index_d, index_s; \
672 for (y = 0; y < operation_height; y++) { \
673 for (x = 0; x < operation_width; x++) { \
674 if (rtl) { \
675 index_s = ((src_y - y) * src_width + src_x - x) * _bpp; \
676 index_d = ((dst_y - y) * dst_width + dst_x - x) * _bpp; \
677 } else { \
678 index_s = ((src_y + y) * src_width + src_x + x) * _bpp; \
679 index_d = ((dst_y + y) * dst_width + dst_x + x) * _bpp; \
680 } \
681 *(_pixel_type*)&dst[index_d] = *(_pixel_type*)&src[index_s];\
682 } \
683 } \
684 }
685 switch (format_flags) {
686 case 0:
687 COPY_AREA(1, uint8_t, rtl){ int y, x, index_d, index_s; for (y = 0; y < operation_height
; y++) { for (x = 0; x < operation_width; x++) { if (rtl) {
index_s = ((src_y - y) * src_width + src_x - x) * 1; index_d
= ((dst_y - y) * dst_width + dst_x - x) * 1; } else { index_s
= ((src_y + y) * src_width + src_x + x) * 1; index_d = ((dst_y
+ y) * dst_width + dst_x + x) * 1; } *(uint8_t*)&dst[index_d
] = *(uint8_t*)&src[index_s]; } } }
;
688 break;
689 case 1:
690 COPY_AREA(2, uint16_t, rtl){ int y, x, index_d, index_s; for (y = 0; y < operation_height
; y++) { for (x = 0; x < operation_width; x++) { if (rtl) {
index_s = ((src_y - y) * src_width + src_x - x) * 2; index_d
= ((dst_y - y) * dst_width + dst_x - x) * 2; } else { index_s
= ((src_y + y) * src_width + src_x + x) * 2; index_d = ((dst_y
+ y) * dst_width + dst_x + x) * 2; } *(uint16_t*)&dst[index_d
] = *(uint16_t*)&src[index_s]; } } }
;
691 break;
692 case 2:
693 COPY_AREA(4, uint32_t, rtl){ int y, x, index_d, index_s; for (y = 0; y < operation_height
; y++) { for (x = 0; x < operation_width; x++) { if (rtl) {
index_s = ((src_y - y) * src_width + src_x - x) * 4; index_d
= ((dst_y - y) * dst_width + dst_x - x) * 4; } else { index_s
= ((src_y + y) * src_width + src_x + x) * 4; index_d = ((dst_y
+ y) * dst_width + dst_x + x) * 4; } *(uint32_t*)&dst[index_d
] = *(uint32_t*)&src[index_s]; } } }
;
694 break;
695 }
696 break;
697
698 case 0x01: /* fill rectangle */
699#define FILL_RECT(_bpp, _pixel_type){ int y, x; for (y = 0; y < operation_height; y++) { for (
x = 0; x < operation_width; x++) { int index = ((dst_y + y
) * dst_width + dst_x + x) * _bpp; *(_pixel_type*)&dst[index
] = (_pixel_type)color; } } }
{ \
700 int y, x; \
701 for (y = 0; y < operation_height; y++) { \
702 for (x = 0; x < operation_width; x++) { \
703 int index = ((dst_y + y) * dst_width + dst_x + x) * _bpp; \
704 *(_pixel_type*)&dst[index] = (_pixel_type)color; \
705 } \
706 } \
707 }
708
709 switch (format_flags) {
710 case 0:
711 FILL_RECT(1, uint8_t){ int y, x; for (y = 0; y < operation_height; y++) { for (
x = 0; x < operation_width; x++) { int index = ((dst_y + y
) * dst_width + dst_x + x) * 1; *(uint8_t*)&dst[index] = (
uint8_t)color; } } }
;
712 break;
713 case 1:
714 FILL_RECT(2, uint16_t){ int y, x; for (y = 0; y < operation_height; y++) { for (
x = 0; x < operation_width; x++) { int index = ((dst_y + y
) * dst_width + dst_x + x) * 2; *(uint16_t*)&dst[index] =
(uint16_t)color; } } }
;
715 break;
716 case 2:
717 FILL_RECT(4, uint32_t){ int y, x; for (y = 0; y < operation_height; y++) { for (
x = 0; x < operation_width; x++) { int index = ((dst_y + y
) * dst_width + dst_x + x) * 4; *(uint32_t*)&dst[index] =
(uint32_t)color; } } }
;
718 break;
719 }
720 break;
721
722 default:
723 printf("non-implemented SM501 2D operation. %d\n", operation);
724 abort();
725 break;
726 }
727}
728
729static uint64_t sm501_system_config_read(void *opaque, hwaddr addr,
730 unsigned size)
731{
732 SM501State * s = (SM501State *)opaque;
733 uint32_t ret = 0;
734 SM501_DPRINTF("sm501 system config regs : read addr=%x\n", (int)addr)do {} while(0);
735
736 switch(addr) {
737 case SM501_SYSTEM_CONTROL(0x000000):
738 ret = s->system_control;
739 break;
740 case SM501_MISC_CONTROL(0x000004):
741 ret = s->misc_control;
742 break;
743 case SM501_GPIO31_0_CONTROL(0x000008):
744 ret = s->gpio_31_0_control;
745 break;
746 case SM501_GPIO63_32_CONTROL(0x00000C):
747 ret = s->gpio_63_32_control;
748 break;
749 case SM501_DEVICEID(0x000060):
750 ret = 0x050100A0;
751 break;
752 case SM501_DRAM_CONTROL(0x000010):
753 ret = (s->dram_control & 0x07F107C0) | s->local_mem_size_index << 13;
754 break;
755 case SM501_IRQ_MASK(0x000030):
756 ret = s->irq_mask;
757 break;
758 case SM501_MISC_TIMING(0x000068):
759 /* TODO : simulate gate control */
760 ret = s->misc_timing;
761 break;
762 case SM501_CURRENT_GATE(0x000038):
763 /* TODO : simulate gate control */
764 ret = 0x00021807;
765 break;
766 case SM501_CURRENT_CLOCK(0x00003C):
767 ret = 0x2A1A0A09;
768 break;
769 case SM501_POWER_MODE_CONTROL(0x000054):
770 ret = s->power_mode_control;
771 break;
772
773 default:
774 printf("sm501 system config : not implemented register read."
775 " addr=%x\n", (int)addr);
776 abort();
777 }
778
779 return ret;
780}
781
782static void sm501_system_config_write(void *opaque, hwaddr addr,
783 uint64_t value, unsigned size)
784{
785 SM501State * s = (SM501State *)opaque;
786 SM501_DPRINTF("sm501 system config regs : write addr=%x, val=%x\n",do {} while(0)
787 (uint32_t)addr, (uint32_t)value)do {} while(0);
788
789 switch(addr) {
790 case SM501_SYSTEM_CONTROL(0x000000):
791 s->system_control = value & 0xE300B8F7;
792 break;
793 case SM501_MISC_CONTROL(0x000004):
794 s->misc_control = value & 0xFF7FFF20;
795 break;
796 case SM501_GPIO31_0_CONTROL(0x000008):
797 s->gpio_31_0_control = value;
798 break;
799 case SM501_GPIO63_32_CONTROL(0x00000C):
800 s->gpio_63_32_control = value;
801 break;
802 case SM501_DRAM_CONTROL(0x000010):
803 s->local_mem_size_index = (value >> 13) & 0x7;
804 /* rODO : check validity of size change */
805 s->dram_control |= value & 0x7FFFFFC3;
806 break;
807 case SM501_IRQ_MASK(0x000030):
808 s->irq_mask = value;
809 break;
810 case SM501_MISC_TIMING(0x000068):
811 s->misc_timing = value & 0xF31F1FFF;
812 break;
813 case SM501_POWER_MODE_0_GATE(0x000040):
814 case SM501_POWER_MODE_1_GATE(0x000048):
815 case SM501_POWER_MODE_0_CLOCK(0x000044):
816 case SM501_POWER_MODE_1_CLOCK(0x00004C):
817 /* TODO : simulate gate & clock control */
818 break;
819 case SM501_POWER_MODE_CONTROL(0x000054):
820 s->power_mode_control = value & 0x00000003;
821 break;
822
823 default:
824 printf("sm501 system config : not implemented register write."
825 " addr=%x, val=%x\n", (int)addr, (uint32_t)value);
826 abort();
827 }
828}
829
830static const MemoryRegionOps sm501_system_config_ops = {
831 .read = sm501_system_config_read,
832 .write = sm501_system_config_write,
833 .valid = {
834 .min_access_size = 4,
835 .max_access_size = 4,
836 },
837 .endianness = DEVICE_NATIVE_ENDIAN,
838};
839
840static uint32_t sm501_palette_read(void *opaque, hwaddr addr)
841{
842 SM501State * s = (SM501State *)opaque;
843 SM501_DPRINTF("sm501 palette read addr=%x\n", (int)addr)do {} while(0);
844
845 /* TODO : consider BYTE/WORD access */
846 /* TODO : consider endian */
847
848 assert(range_covers_byte(0, 0x400 * 3, addr))((range_covers_byte(0, 0x400 * 3, addr)) ? (void) (0) : __assert_fail
("range_covers_byte(0, 0x400 * 3, addr)", "/home/stefan/src/qemu/qemu.org/qemu/hw/display/sm501.c"
, 848, __PRETTY_FUNCTION__))
;
849 return *(uint32_t*)&s->dc_palette[addr];
850}
851
852static void sm501_palette_write(void *opaque,
853 hwaddr addr, uint32_t value)
854{
855 SM501State * s = (SM501State *)opaque;
856 SM501_DPRINTF("sm501 palette write addr=%x, val=%x\n",do {} while(0)
857 (int)addr, value)do {} while(0);
858
859 /* TODO : consider BYTE/WORD access */
860 /* TODO : consider endian */
861
862 assert(range_covers_byte(0, 0x400 * 3, addr))((range_covers_byte(0, 0x400 * 3, addr)) ? (void) (0) : __assert_fail
("range_covers_byte(0, 0x400 * 3, addr)", "/home/stefan/src/qemu/qemu.org/qemu/hw/display/sm501.c"
, 862, __PRETTY_FUNCTION__))
;
863 *(uint32_t*)&s->dc_palette[addr] = value;
864}
865
866static uint64_t sm501_disp_ctrl_read(void *opaque, hwaddr addr,
867 unsigned size)
868{
869 SM501State * s = (SM501State *)opaque;
870 uint32_t ret = 0;
871 SM501_DPRINTF("sm501 disp ctrl regs : read addr=%x\n", (int)addr)do {} while(0);
872
873 switch(addr) {
874
875 case SM501_DC_PANEL_CONTROL(0x000):
876 ret = s->dc_panel_control;
877 break;
878 case SM501_DC_PANEL_PANNING_CONTROL(0x004):
879 ret = s->dc_panel_panning_control;
880 break;
881 case SM501_DC_PANEL_FB_ADDR(0x00C):
882 ret = s->dc_panel_fb_addr;
883 break;
884 case SM501_DC_PANEL_FB_OFFSET(0x010):
885 ret = s->dc_panel_fb_offset;
886 break;
887 case SM501_DC_PANEL_FB_WIDTH(0x014):
888 ret = s->dc_panel_fb_width;
889 break;
890 case SM501_DC_PANEL_FB_HEIGHT(0x018):
891 ret = s->dc_panel_fb_height;
892 break;
893 case SM501_DC_PANEL_TL_LOC(0x01C):
894 ret = s->dc_panel_tl_location;
895 break;
896 case SM501_DC_PANEL_BR_LOC(0x020):
897 ret = s->dc_panel_br_location;
898 break;
899
900 case SM501_DC_PANEL_H_TOT(0x024):
901 ret = s->dc_panel_h_total;
902 break;
903 case SM501_DC_PANEL_H_SYNC(0x028):
904 ret = s->dc_panel_h_sync;
905 break;
906 case SM501_DC_PANEL_V_TOT(0x02C):
907 ret = s->dc_panel_v_total;
908 break;
909 case SM501_DC_PANEL_V_SYNC(0x030):
910 ret = s->dc_panel_v_sync;
911 break;
912
913 case SM501_DC_CRT_CONTROL(0x200):
914 ret = s->dc_crt_control;
915 break;
916 case SM501_DC_CRT_FB_ADDR(0x204):
917 ret = s->dc_crt_fb_addr;
918 break;
919 case SM501_DC_CRT_FB_OFFSET(0x208):
920 ret = s->dc_crt_fb_offset;
921 break;
922 case SM501_DC_CRT_H_TOT(0x20C):
923 ret = s->dc_crt_h_total;
924 break;
925 case SM501_DC_CRT_H_SYNC(0x210):
926 ret = s->dc_crt_h_sync;
927 break;
928 case SM501_DC_CRT_V_TOT(0x214):
929 ret = s->dc_crt_v_total;
930 break;
931 case SM501_DC_CRT_V_SYNC(0x218):
932 ret = s->dc_crt_v_sync;
933 break;
934
935 case SM501_DC_CRT_HWC_ADDR(0x230):
936 ret = s->dc_crt_hwc_addr;
937 break;
938 case SM501_DC_CRT_HWC_LOC(0x234):
939 ret = s->dc_crt_hwc_location;
940 break;
941 case SM501_DC_CRT_HWC_COLOR_1_2(0x238):
942 ret = s->dc_crt_hwc_color_1_2;
943 break;
944 case SM501_DC_CRT_HWC_COLOR_3(0x23C):
945 ret = s->dc_crt_hwc_color_3;
946 break;
947
948 case SM501_DC_PANEL_PALETTE(0x400) ... SM501_DC_PANEL_PALETTE(0x400) + 0x400*3 - 4:
949 ret = sm501_palette_read(opaque, addr - SM501_DC_PANEL_PALETTE(0x400));
950 break;
951
952 default:
953 printf("sm501 disp ctrl : not implemented register read."
954 " addr=%x\n", (int)addr);
955 abort();
956 }
957
958 return ret;
959}
960
961static void sm501_disp_ctrl_write(void *opaque, hwaddr addr,
962 uint64_t value, unsigned size)
963{
964 SM501State * s = (SM501State *)opaque;
965 SM501_DPRINTF("sm501 disp ctrl regs : write addr=%x, val=%x\n",do {} while(0)
966 (unsigned)addr, (unsigned)value)do {} while(0);
967
968 switch(addr) {
969 case SM501_DC_PANEL_CONTROL(0x000):
970 s->dc_panel_control = value & 0x0FFF73FF;
971 break;
972 case SM501_DC_PANEL_PANNING_CONTROL(0x004):
973 s->dc_panel_panning_control = value & 0xFF3FFF3F;
974 break;
975 case SM501_DC_PANEL_FB_ADDR(0x00C):
976 s->dc_panel_fb_addr = value & 0x8FFFFFF0;
977 break;
978 case SM501_DC_PANEL_FB_OFFSET(0x010):
979 s->dc_panel_fb_offset = value & 0x3FF03FF0;
980 break;
981 case SM501_DC_PANEL_FB_WIDTH(0x014):
982 s->dc_panel_fb_width = value & 0x0FFF0FFF;
983 break;
984 case SM501_DC_PANEL_FB_HEIGHT(0x018):
985 s->dc_panel_fb_height = value & 0x0FFF0FFF;
986 break;
987 case SM501_DC_PANEL_TL_LOC(0x01C):
988 s->dc_panel_tl_location = value & 0x07FF07FF;
989 break;
990 case SM501_DC_PANEL_BR_LOC(0x020):
991 s->dc_panel_br_location = value & 0x07FF07FF;
992 break;
993
994 case SM501_DC_PANEL_H_TOT(0x024):
995 s->dc_panel_h_total = value & 0x0FFF0FFF;
996 break;
997 case SM501_DC_PANEL_H_SYNC(0x028):
998 s->dc_panel_h_sync = value & 0x00FF0FFF;
999 break;
1000 case SM501_DC_PANEL_V_TOT(0x02C):
1001 s->dc_panel_v_total = value & 0x0FFF0FFF;
1002 break;
1003 case SM501_DC_PANEL_V_SYNC(0x030):
1004 s->dc_panel_v_sync = value & 0x003F0FFF;
1005 break;
1006
1007 case SM501_DC_PANEL_HWC_ADDR(0x0F0):
1008 s->dc_panel_hwc_addr = value & 0x8FFFFFF0;
1009 break;
1010 case SM501_DC_PANEL_HWC_LOC(0x0F4):
1011 s->dc_panel_hwc_location = value & 0x0FFF0FFF;
1012 break;
1013 case SM501_DC_PANEL_HWC_COLOR_1_2(0x0F8):
1014 s->dc_panel_hwc_color_1_2 = value;
1015 break;
1016 case SM501_DC_PANEL_HWC_COLOR_3(0x0FC):
1017 s->dc_panel_hwc_color_3 = value & 0x0000FFFF;
1018 break;
1019
1020 case SM501_DC_CRT_CONTROL(0x200):
1021 s->dc_crt_control = value & 0x0003FFFF;
1022 break;
1023 case SM501_DC_CRT_FB_ADDR(0x204):
1024 s->dc_crt_fb_addr = value & 0x8FFFFFF0;
1025 break;
1026 case SM501_DC_CRT_FB_OFFSET(0x208):
1027 s->dc_crt_fb_offset = value & 0x3FF03FF0;
1028 break;
1029 case SM501_DC_CRT_H_TOT(0x20C):
1030 s->dc_crt_h_total = value & 0x0FFF0FFF;
1031 break;
1032 case SM501_DC_CRT_H_SYNC(0x210):
1033 s->dc_crt_h_sync = value & 0x00FF0FFF;
1034 break;
1035 case SM501_DC_CRT_V_TOT(0x214):
1036 s->dc_crt_v_total = value & 0x0FFF0FFF;
1037 break;
1038 case SM501_DC_CRT_V_SYNC(0x218):
1039 s->dc_crt_v_sync = value & 0x003F0FFF;
1040 break;
1041
1042 case SM501_DC_CRT_HWC_ADDR(0x230):
1043 s->dc_crt_hwc_addr = value & 0x8FFFFFF0;
1044 break;
1045 case SM501_DC_CRT_HWC_LOC(0x234):
1046 s->dc_crt_hwc_location = value & 0x0FFF0FFF;
1047 break;
1048 case SM501_DC_CRT_HWC_COLOR_1_2(0x238):
1049 s->dc_crt_hwc_color_1_2 = value;
1050 break;
1051 case SM501_DC_CRT_HWC_COLOR_3(0x23C):
1052 s->dc_crt_hwc_color_3 = value & 0x0000FFFF;
1053 break;
1054
1055 case SM501_DC_PANEL_PALETTE(0x400) ... SM501_DC_PANEL_PALETTE(0x400) + 0x400*3 - 4:
1056 sm501_palette_write(opaque, addr - SM501_DC_PANEL_PALETTE(0x400), value);
1057 break;
1058
1059 default:
1060 printf("sm501 disp ctrl : not implemented register write."
1061 " addr=%x, val=%x\n", (int)addr, (unsigned)value);
1062 abort();
1063 }
1064}
1065
1066static const MemoryRegionOps sm501_disp_ctrl_ops = {
1067 .read = sm501_disp_ctrl_read,
1068 .write = sm501_disp_ctrl_write,
1069 .valid = {
1070 .min_access_size = 4,
1071 .max_access_size = 4,
1072 },
1073 .endianness = DEVICE_NATIVE_ENDIAN,
1074};
1075
1076static uint64_t sm501_2d_engine_read(void *opaque, hwaddr addr,
1077 unsigned size)
1078{
1079 SM501State * s = (SM501State *)opaque;
1080 uint32_t ret = 0;
1081 SM501_DPRINTF("sm501 2d engine regs : read addr=%x\n", (int)addr)do {} while(0);
1082
1083 switch(addr) {
1084 case SM501_2D_SOURCE_BASE(0x40):
1085 ret = s->twoD_source_base;
1086 break;
1087 default:
1088 printf("sm501 disp ctrl : not implemented register read."
1089 " addr=%x\n", (int)addr);
1090 abort();
1091 }
1092
1093 return ret;
1094}
1095
1096static void sm501_2d_engine_write(void *opaque, hwaddr addr,
1097 uint64_t value, unsigned size)
1098{
1099 SM501State * s = (SM501State *)opaque;
1100 SM501_DPRINTF("sm501 2d engine regs : write addr=%x, val=%x\n",do {} while(0)
1101 (unsigned)addr, (unsigned)value)do {} while(0);
1102
1103 switch(addr) {
1104 case SM501_2D_SOURCE(0x00):
1105 s->twoD_source = value;
1106 break;
1107 case SM501_2D_DESTINATION(0x04):
1108 s->twoD_destination = value;
1109 break;
1110 case SM501_2D_DIMENSION(0x08):
1111 s->twoD_dimension = value;
1112 break;
1113 case SM501_2D_CONTROL(0x0C):
1114 s->twoD_control = value;
1115
1116 /* do 2d operation if start flag is set. */
1117 if (value & 0x80000000) {
1118 sm501_2d_operation(s);
1119 s->twoD_control &= ~0x80000000; /* start flag down */
1120 }
1121
1122 break;
1123 case SM501_2D_PITCH(0x10):
1124 s->twoD_pitch = value;
1125 break;
1126 case SM501_2D_FOREGROUND(0x14):
1127 s->twoD_foreground = value;
1128 break;
1129 case SM501_2D_STRETCH(0x1C):
1130 s->twoD_stretch = value;
1131 break;
1132 case SM501_2D_COLOR_COMPARE_MASK(0x24):
1133 s->twoD_color_compare_mask = value;
1134 break;
1135 case SM501_2D_MASK(0x28):
1136 s->twoD_mask = value;
1137 break;
1138 case SM501_2D_WINDOW_WIDTH(0x3C):
1139 s->twoD_window_width = value;
1140 break;
1141 case SM501_2D_SOURCE_BASE(0x40):
1142 s->twoD_source_base = value;
1143 break;
1144 case SM501_2D_DESTINATION_BASE(0x44):
1145 s->twoD_destination_base = value;
1146 break;
1147 default:
1148 printf("sm501 2d engine : not implemented register write."
1149 " addr=%x, val=%x\n", (int)addr, (unsigned)value);
1150 abort();
1151 }
1152}
1153
1154static const MemoryRegionOps sm501_2d_engine_ops = {
1155 .read = sm501_2d_engine_read,
1156 .write = sm501_2d_engine_write,
1157 .valid = {
1158 .min_access_size = 4,
1159 .max_access_size = 4,
1160 },
1161 .endianness = DEVICE_NATIVE_ENDIAN,
1162};
1163
1164/* draw line functions for all console modes */
1165
1166typedef void draw_line_func(uint8_t *d, const uint8_t *s,
1167 int width, const uint32_t *pal);
1168
1169typedef void draw_hwc_line_func(SM501State * s, int crt, uint8_t * palette,
1170 int c_y, uint8_t *d, int width);
1171
1172#define DEPTH 8
1173#include "sm501_template.h"
1174
1175#define DEPTH 15
1176#include "sm501_template.h"
1177
1178#define BGR_FORMAT
1179#define DEPTH 15
1180#include "sm501_template.h"
1181
1182#define DEPTH 16
1183#include "sm501_template.h"
1184
1185#define BGR_FORMAT
1186#define DEPTH 16
1187#include "sm501_template.h"
1188
1189#define DEPTH 32
1190#include "sm501_template.h"
1191
1192#define BGR_FORMAT
1193#define DEPTH 32
1194#include "sm501_template.h"
1195
1196static draw_line_func * draw_line8_funcs[] = {
1197 draw_line8_8,
1198 draw_line8_15,
1199 draw_line8_16,
1200 draw_line8_32,
1201 draw_line8_32bgr,
1202 draw_line8_15bgr,
1203 draw_line8_16bgr,
1204};
1205
1206static draw_line_func * draw_line16_funcs[] = {
1207 draw_line16_8,
1208 draw_line16_15,
1209 draw_line16_16,
1210 draw_line16_32,
1211 draw_line16_32bgr,
1212 draw_line16_15bgr,
1213 draw_line16_16bgr,
1214};
1215
1216static draw_line_func * draw_line32_funcs[] = {
1217 draw_line32_8,
1218 draw_line32_15,
1219 draw_line32_16,
1220 draw_line32_32,
1221 draw_line32_32bgr,
1222 draw_line32_15bgr,
1223 draw_line32_16bgr,
1224};
1225
1226static draw_hwc_line_func * draw_hwc_line_funcs[] = {
1227 draw_hwc_line_8,
1228 draw_hwc_line_15,
1229 draw_hwc_line_16,
1230 draw_hwc_line_32,
1231 draw_hwc_line_32bgr,
1232 draw_hwc_line_15bgr,
1233 draw_hwc_line_16bgr,
1234};
1235
1236static inline int get_depth_index(DisplaySurface *surface)
1237{
1238 switch (surface_bits_per_pixel(surface)) {
1239 default:
1240 case 8:
1241 return 0;
1242 case 15:
1243 return 1;
1244 case 16:
1245 return 2;
1246 case 32:
1247 if (is_surface_bgr(surface)) {
1248 return 4;
1249 } else {
1250 return 3;
1251 }
1252 }
1253}
1254
1255static void sm501_draw_crt(SM501State * s)
1256{
1257 DisplaySurface *surface = qemu_console_surface(s->con);
1258 int y;
1259 int width = (s->dc_crt_h_total & 0x00000FFF) + 1;
1260 int height = (s->dc_crt_v_total & 0x00000FFF) + 1;
1261
1262 uint8_t * src = s->local_mem;
1263 int src_bpp = 0;
1264 int dst_bpp = surface_bytes_per_pixel(surface);
1265 uint32_t * palette = (uint32_t *)&s->dc_palette[SM501_DC_CRT_PALETTE(0xC00)
1266 - SM501_DC_PANEL_PALETTE(0x400)];
1267 uint8_t hwc_palette[3 * 3];
1268 int ds_depth_index = get_depth_index(surface);
1269 draw_line_func * draw_line = NULL((void*)0);
1270 draw_hwc_line_func * draw_hwc_line = NULL((void*)0);
1271 int full_update = 0;
1272 int y_start = -1;
1273 ram_addr_t page_min = ~0l;
1274 ram_addr_t page_max = 0l;
1275 ram_addr_t offset = 0;
1276
1277 /* choose draw_line function */
1278 switch (s->dc_crt_control & 3) {
1279 case SM501_DC_CRT_CONTROL_8BPP(0<<0):
1280 src_bpp = 1;
1281 draw_line = draw_line8_funcs[ds_depth_index];
1282 break;
1283 case SM501_DC_CRT_CONTROL_16BPP(1<<0):
1284 src_bpp = 2;
1285 draw_line = draw_line16_funcs[ds_depth_index];
1286 break;
1287 case SM501_DC_CRT_CONTROL_32BPP(2<<0):
1288 src_bpp = 4;
1289 draw_line = draw_line32_funcs[ds_depth_index];
1290 break;
1291 default:
1292 printf("sm501 draw crt : invalid DC_CRT_CONTROL=%x.\n",
1293 s->dc_crt_control);
1294 abort();
1295 break;
1296 }
1297
1298 /* set up to draw hardware cursor */
1299 if (is_hwc_enabled(s, 1)) {
1300 int i;
1301
1302 /* get cursor palette */
1303 for (i = 0; i < 3; i++) {
1304 uint16_t rgb565 = get_hwc_color(s, 1, i + 1);
1305 hwc_palette[i * 3 + 0] = (rgb565 & 0xf800) >> 8; /* red */
1306 hwc_palette[i * 3 + 1] = (rgb565 & 0x07e0) >> 3; /* green */
1307 hwc_palette[i * 3 + 2] = (rgb565 & 0x001f) << 3; /* blue */
1308 }
1309
1310 /* choose cursor draw line function */
1311 draw_hwc_line = draw_hwc_line_funcs[ds_depth_index];
1312 }
1313
1314 /* adjust console size */
1315 if (s->last_width != width || s->last_height != height) {
1316 qemu_console_resize(s->con, width, height);
1317 surface = qemu_console_surface(s->con);
1318 s->last_width = width;
1319 s->last_height = height;
1320 full_update = 1;
1321 }
1322
1323 /* draw each line according to conditions */
1324 for (y = 0; y < height; y++) {
1325 int update_hwc = draw_hwc_line ? within_hwc_y_range(s, y, 1) : 0;
1326 int update = full_update || update_hwc;
Value stored to 'update' during its initialization is never read
1327 ram_addr_t page0 = offset;
1328 ram_addr_t page1 = offset + width * src_bpp - 1;
1329
1330 /* check dirty flags for each line */
1331 update = memory_region_get_dirty(&s->local_mem_region, page0,
1332 page1 - page0, DIRTY_MEMORY_VGA0);
1333
1334 /* draw line and change status */
1335 if (update) {
1336 uint8_t *d = surface_data(surface);
1337 d += y * width * dst_bpp;
1338
1339 /* draw graphics layer */
1340 draw_line(d, src, width, palette);
1341
1342 /* draw haredware cursor */
1343 if (update_hwc) {
1344 draw_hwc_line(s, 1, hwc_palette, y - get_hwc_y(s, 1), d, width);
1345 }
1346
1347 if (y_start < 0)
1348 y_start = y;
1349 if (page0 < page_min)
1350 page_min = page0;
1351 if (page1 > page_max)
1352 page_max = page1;
1353 } else {
1354 if (y_start >= 0) {
1355 /* flush to display */
1356 dpy_gfx_update(s->con, 0, y_start, width, y - y_start);
1357 y_start = -1;
1358 }
1359 }
1360
1361 src += width * src_bpp;
1362 offset += width * src_bpp;
1363 }
1364
1365 /* complete flush to display */
1366 if (y_start >= 0)
1367 dpy_gfx_update(s->con, 0, y_start, width, y - y_start);
1368
1369 /* clear dirty flags */
1370 if (page_min != ~0l) {
1371 memory_region_reset_dirty(&s->local_mem_region,
1372 page_min, page_max + TARGET_PAGE_SIZE(1 << 12),
1373 DIRTY_MEMORY_VGA0);
1374 }
1375}
1376
1377static void sm501_update_display(void *opaque)
1378{
1379 SM501State * s = (SM501State *)opaque;
1380
1381 if (s->dc_crt_control & SM501_DC_CRT_CONTROL_ENABLE(1<<2))
1382 sm501_draw_crt(s);
1383}
1384
1385static const GraphicHwOps sm501_ops = {
1386 .gfx_update = sm501_update_display,
1387};
1388
1389void sm501_init(MemoryRegion *address_space_mem, uint32_t base,
1390 uint32_t local_mem_bytes, qemu_irq irq, CharDriverState *chr)
1391{
1392 SM501State * s;
1393 DeviceState *dev;
1394 MemoryRegion *sm501_system_config = g_new(MemoryRegion, 1)((MemoryRegion *) g_malloc_n ((1), sizeof (MemoryRegion)));
1395 MemoryRegion *sm501_disp_ctrl = g_new(MemoryRegion, 1)((MemoryRegion *) g_malloc_n ((1), sizeof (MemoryRegion)));
1396 MemoryRegion *sm501_2d_engine = g_new(MemoryRegion, 1)((MemoryRegion *) g_malloc_n ((1), sizeof (MemoryRegion)));
1397
1398 /* allocate management data region */
1399 s = (SM501State *)g_malloc0(sizeof(SM501State));
1400 s->base = base;
1401 s->local_mem_size_index
1402 = get_local_mem_size_index(local_mem_bytes);
1403 SM501_DPRINTF("local mem size=%x. index=%d\n", get_local_mem_size(s),do {} while(0)
1404 s->local_mem_size_index)do {} while(0);
1405 s->system_control = 0x00100000;
1406 s->misc_control = 0x00001000; /* assumes SH, active=low */
1407 s->dc_panel_control = 0x00010000;
1408 s->dc_crt_control = 0x00010000;
1409
1410 /* allocate local memory */
1411 memory_region_init_ram(&s->local_mem_region, NULL((void*)0), "sm501.local",
1412 local_mem_bytes);
1413 vmstate_register_ram_global(&s->local_mem_region);
1414 s->local_mem = memory_region_get_ram_ptr(&s->local_mem_region);
1415 memory_region_add_subregion(address_space_mem, base, &s->local_mem_region);
1416
1417 /* map mmio */
1418 memory_region_init_io(sm501_system_config, NULL((void*)0), &sm501_system_config_ops, s,
1419 "sm501-system-config", 0x6c);
1420 memory_region_add_subregion(address_space_mem, base + MMIO_BASE_OFFSET0x3e00000,
1421 sm501_system_config);
1422 memory_region_init_io(sm501_disp_ctrl, NULL((void*)0), &sm501_disp_ctrl_ops, s,
1423 "sm501-disp-ctrl", 0x1000);
1424 memory_region_add_subregion(address_space_mem,
1425 base + MMIO_BASE_OFFSET0x3e00000 + SM501_DC(0x080000),
1426 sm501_disp_ctrl);
1427 memory_region_init_io(sm501_2d_engine, NULL((void*)0), &sm501_2d_engine_ops, s,
1428 "sm501-2d-engine", 0x54);
1429 memory_region_add_subregion(address_space_mem,
1430 base + MMIO_BASE_OFFSET0x3e00000 + SM501_2D_ENGINE(0x100000),
1431 sm501_2d_engine);
1432
1433 /* bridge to usb host emulation module */
1434 dev = qdev_create(NULL((void*)0), "sysbus-ohci");
1435 qdev_prop_set_uint32(dev, "num-ports", 2);
1436 qdev_prop_set_uint64(dev, "dma-offset", base);
1437 qdev_init_nofail(dev);
1438 sysbus_mmio_map(SYS_BUS_DEVICE(dev)((SysBusDevice *)object_dynamic_cast_assert(((Object *)((dev)
)), ("sys-bus-device"), "/home/stefan/src/qemu/qemu.org/qemu/hw/display/sm501.c"
, 1438, __func__))
, 0,
1439 base + MMIO_BASE_OFFSET0x3e00000 + SM501_USB_HOST(0x040000));
1440 sysbus_connect_irq(SYS_BUS_DEVICE(dev)((SysBusDevice *)object_dynamic_cast_assert(((Object *)((dev)
)), ("sys-bus-device"), "/home/stefan/src/qemu/qemu.org/qemu/hw/display/sm501.c"
, 1440, __func__))
, 0, irq);
1441
1442 /* bridge to serial emulation module */
1443 if (chr) {
1444 serial_mm_init(address_space_mem,
1445 base + MMIO_BASE_OFFSET0x3e00000 + SM501_UART0(0x030000), 2,
1446 NULL((void*)0), /* TODO : chain irq to IRL */
1447 115200, chr, DEVICE_NATIVE_ENDIAN);
1448 }
1449
1450 /* create qemu graphic console */
1451 s->con = graphic_console_init(DEVICE(dev)((DeviceState *)object_dynamic_cast_assert(((Object *)((dev))
), ("device"), "/home/stefan/src/qemu/qemu.org/qemu/hw/display/sm501.c"
, 1451, __func__))
, &sm501_ops, s);
1452}