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1 | /* |
2 | * cx18 System Control Block initialization | |
3 | * | |
4 | * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
19 | * 02111-1307 USA | |
20 | */ | |
21 | ||
22 | #ifndef CX18_SCB_H | |
23 | #define CX18_SCB_H | |
24 | ||
25 | #include "cx18-mailbox.h" | |
26 | ||
27 | /* NOTE: All ACK interrupts are in the SW2 register. All non-ACK interrupts | |
28 | are in the SW1 register. */ | |
29 | ||
30 | #define IRQ_APU_TO_CPU 0x00000001 | |
31 | #define IRQ_CPU_TO_APU_ACK 0x00000001 | |
32 | #define IRQ_HPU_TO_CPU 0x00000002 | |
33 | #define IRQ_CPU_TO_HPU_ACK 0x00000002 | |
34 | #define IRQ_PPU_TO_CPU 0x00000004 | |
35 | #define IRQ_CPU_TO_PPU_ACK 0x00000004 | |
36 | #define IRQ_EPU_TO_CPU 0x00000008 | |
37 | #define IRQ_CPU_TO_EPU_ACK 0x00000008 | |
38 | ||
39 | #define IRQ_CPU_TO_APU 0x00000010 | |
40 | #define IRQ_APU_TO_CPU_ACK 0x00000010 | |
41 | #define IRQ_HPU_TO_APU 0x00000020 | |
42 | #define IRQ_APU_TO_HPU_ACK 0x00000020 | |
43 | #define IRQ_PPU_TO_APU 0x00000040 | |
44 | #define IRQ_APU_TO_PPU_ACK 0x00000040 | |
45 | #define IRQ_EPU_TO_APU 0x00000080 | |
46 | #define IRQ_APU_TO_EPU_ACK 0x00000080 | |
47 | ||
48 | #define IRQ_CPU_TO_HPU 0x00000100 | |
49 | #define IRQ_HPU_TO_CPU_ACK 0x00000100 | |
50 | #define IRQ_APU_TO_HPU 0x00000200 | |
51 | #define IRQ_HPU_TO_APU_ACK 0x00000200 | |
52 | #define IRQ_PPU_TO_HPU 0x00000400 | |
53 | #define IRQ_HPU_TO_PPU_ACK 0x00000400 | |
54 | #define IRQ_EPU_TO_HPU 0x00000800 | |
55 | #define IRQ_HPU_TO_EPU_ACK 0x00000800 | |
56 | ||
57 | #define IRQ_CPU_TO_PPU 0x00001000 | |
58 | #define IRQ_PPU_TO_CPU_ACK 0x00001000 | |
59 | #define IRQ_APU_TO_PPU 0x00002000 | |
60 | #define IRQ_PPU_TO_APU_ACK 0x00002000 | |
61 | #define IRQ_HPU_TO_PPU 0x00004000 | |
62 | #define IRQ_PPU_TO_HPU_ACK 0x00004000 | |
63 | #define IRQ_EPU_TO_PPU 0x00008000 | |
64 | #define IRQ_PPU_TO_EPU_ACK 0x00008000 | |
65 | ||
66 | #define IRQ_CPU_TO_EPU 0x00010000 | |
67 | #define IRQ_EPU_TO_CPU_ACK 0x00010000 | |
68 | #define IRQ_APU_TO_EPU 0x00020000 | |
69 | #define IRQ_EPU_TO_APU_ACK 0x00020000 | |
70 | #define IRQ_HPU_TO_EPU 0x00040000 | |
71 | #define IRQ_EPU_TO_HPU_ACK 0x00040000 | |
72 | #define IRQ_PPU_TO_EPU 0x00080000 | |
73 | #define IRQ_EPU_TO_PPU_ACK 0x00080000 | |
74 | ||
75 | #define SCB_OFFSET 0xDC0000 | |
76 | ||
77 | /* If Firmware uses fixed memory map, it shall not allocate the area | |
78 | between SCB_OFFSET and SCB_OFFSET+SCB_RESERVED_SIZE-1 inclusive */ | |
79 | #define SCB_RESERVED_SIZE 0x10000 | |
80 | ||
81 | ||
82 | /* This structure is used by EPU to provide memory descriptors in its memory */ | |
83 | struct cx18_mdl { | |
84 | u32 paddr; /* Physical address of a buffer segment */ | |
85 | u32 length; /* Length of the buffer segment */ | |
86 | }; | |
87 | ||
88 | /* This structure is used by CPU to provide completed buffers information */ | |
89 | struct cx18_mdl_ack { | |
90 | u32 id; /* ID of a completed MDL */ | |
91 | u32 data_used; /* Total data filled in the MDL for buffer 'id' */ | |
92 | }; | |
93 | ||
94 | struct cx18_scb { | |
95 | /* These fields form the System Control Block which is used at boot time | |
96 | for localizing the IPC data as well as the code positions for all | |
97 | processors. The offsets are from the start of this struct. */ | |
98 | ||
99 | /* Offset where to find the Inter-Processor Communication data */ | |
100 | u32 ipc_offset; | |
101 | u32 reserved01[7]; | |
102 | /* Offset where to find the start of the CPU code */ | |
103 | u32 cpu_code_offset; | |
104 | u32 reserved02[3]; | |
105 | /* Offset where to find the start of the APU code */ | |
106 | u32 apu_code_offset; | |
107 | u32 reserved03[3]; | |
108 | /* Offset where to find the start of the HPU code */ | |
109 | u32 hpu_code_offset; | |
110 | u32 reserved04[3]; | |
111 | /* Offset where to find the start of the PPU code */ | |
112 | u32 ppu_code_offset; | |
113 | u32 reserved05[3]; | |
114 | ||
115 | /* These fields form Inter-Processor Communication data which is used | |
116 | by all processors to locate the information needed for communicating | |
117 | with other processors */ | |
118 | ||
119 | /* Fields for CPU: */ | |
120 | ||
121 | /* bit 0: 1/0 processor ready/not ready. Set other bits to 0. */ | |
122 | u32 cpu_state; | |
123 | u32 reserved1[7]; | |
124 | /* Offset to the mailbox used for sending commands from APU to CPU */ | |
125 | u32 apu2cpu_mb_offset; | |
126 | /* Value to write to register SW1 register set (0xC7003100) after the | |
127 | command is ready */ | |
128 | u32 apu2cpu_irq; | |
129 | /* Value to write to register SW2 register set (0xC7003140) after the | |
130 | command is cleared */ | |
131 | u32 apu2cpu_irq_ack; | |
132 | u32 reserved2[13]; | |
133 | ||
134 | u32 hpu2cpu_mb_offset; | |
135 | u32 hpu2cpu_irq; | |
136 | u32 hpu2cpu_irq_ack; | |
137 | u32 reserved3[13]; | |
138 | ||
139 | u32 ppu2cpu_mb_offset; | |
140 | u32 ppu2cpu_irq; | |
141 | u32 ppu2cpu_irq_ack; | |
142 | u32 reserved4[13]; | |
143 | ||
144 | u32 epu2cpu_mb_offset; | |
145 | u32 epu2cpu_irq; | |
146 | u32 epu2cpu_irq_ack; | |
147 | u32 reserved5[13]; | |
148 | u32 reserved6[8]; | |
149 | ||
150 | /* Fields for APU: */ | |
151 | ||
152 | u32 apu_state; | |
153 | u32 reserved11[7]; | |
154 | u32 cpu2apu_mb_offset; | |
155 | u32 cpu2apu_irq; | |
156 | u32 cpu2apu_irq_ack; | |
157 | u32 reserved12[13]; | |
158 | ||
159 | u32 hpu2apu_mb_offset; | |
160 | u32 hpu2apu_irq; | |
161 | u32 hpu2apu_irq_ack; | |
162 | u32 reserved13[13]; | |
163 | ||
164 | u32 ppu2apu_mb_offset; | |
165 | u32 ppu2apu_irq; | |
166 | u32 ppu2apu_irq_ack; | |
167 | u32 reserved14[13]; | |
168 | ||
169 | u32 epu2apu_mb_offset; | |
170 | u32 epu2apu_irq; | |
171 | u32 epu2apu_irq_ack; | |
172 | u32 reserved15[13]; | |
173 | u32 reserved16[8]; | |
174 | ||
175 | /* Fields for HPU: */ | |
176 | ||
177 | u32 hpu_state; | |
178 | u32 reserved21[7]; | |
179 | u32 cpu2hpu_mb_offset; | |
180 | u32 cpu2hpu_irq; | |
181 | u32 cpu2hpu_irq_ack; | |
182 | u32 reserved22[13]; | |
183 | ||
184 | u32 apu2hpu_mb_offset; | |
185 | u32 apu2hpu_irq; | |
186 | u32 apu2hpu_irq_ack; | |
187 | u32 reserved23[13]; | |
188 | ||
189 | u32 ppu2hpu_mb_offset; | |
190 | u32 ppu2hpu_irq; | |
191 | u32 ppu2hpu_irq_ack; | |
192 | u32 reserved24[13]; | |
193 | ||
194 | u32 epu2hpu_mb_offset; | |
195 | u32 epu2hpu_irq; | |
196 | u32 epu2hpu_irq_ack; | |
197 | u32 reserved25[13]; | |
198 | u32 reserved26[8]; | |
199 | ||
200 | /* Fields for PPU: */ | |
201 | ||
202 | u32 ppu_state; | |
203 | u32 reserved31[7]; | |
204 | u32 cpu2ppu_mb_offset; | |
205 | u32 cpu2ppu_irq; | |
206 | u32 cpu2ppu_irq_ack; | |
207 | u32 reserved32[13]; | |
208 | ||
209 | u32 apu2ppu_mb_offset; | |
210 | u32 apu2ppu_irq; | |
211 | u32 apu2ppu_irq_ack; | |
212 | u32 reserved33[13]; | |
213 | ||
214 | u32 hpu2ppu_mb_offset; | |
215 | u32 hpu2ppu_irq; | |
216 | u32 hpu2ppu_irq_ack; | |
217 | u32 reserved34[13]; | |
218 | ||
219 | u32 epu2ppu_mb_offset; | |
220 | u32 epu2ppu_irq; | |
221 | u32 epu2ppu_irq_ack; | |
222 | u32 reserved35[13]; | |
223 | u32 reserved36[8]; | |
224 | ||
225 | /* Fields for EPU: */ | |
226 | ||
227 | u32 epu_state; | |
228 | u32 reserved41[7]; | |
229 | u32 cpu2epu_mb_offset; | |
230 | u32 cpu2epu_irq; | |
231 | u32 cpu2epu_irq_ack; | |
232 | u32 reserved42[13]; | |
233 | ||
234 | u32 apu2epu_mb_offset; | |
235 | u32 apu2epu_irq; | |
236 | u32 apu2epu_irq_ack; | |
237 | u32 reserved43[13]; | |
238 | ||
239 | u32 hpu2epu_mb_offset; | |
240 | u32 hpu2epu_irq; | |
241 | u32 hpu2epu_irq_ack; | |
242 | u32 reserved44[13]; | |
243 | ||
244 | u32 ppu2epu_mb_offset; | |
245 | u32 ppu2epu_irq; | |
246 | u32 ppu2epu_irq_ack; | |
247 | u32 reserved45[13]; | |
248 | u32 reserved46[8]; | |
249 | ||
250 | u32 semaphores[8]; /* Semaphores */ | |
251 | ||
252 | u32 reserved50[32]; /* Reserved for future use */ | |
253 | ||
254 | struct cx18_mailbox apu2cpu_mb; | |
255 | struct cx18_mailbox hpu2cpu_mb; | |
256 | struct cx18_mailbox ppu2cpu_mb; | |
257 | struct cx18_mailbox epu2cpu_mb; | |
258 | ||
259 | struct cx18_mailbox cpu2apu_mb; | |
260 | struct cx18_mailbox hpu2apu_mb; | |
261 | struct cx18_mailbox ppu2apu_mb; | |
262 | struct cx18_mailbox epu2apu_mb; | |
263 | ||
264 | struct cx18_mailbox cpu2hpu_mb; | |
265 | struct cx18_mailbox apu2hpu_mb; | |
266 | struct cx18_mailbox ppu2hpu_mb; | |
267 | struct cx18_mailbox epu2hpu_mb; | |
268 | ||
269 | struct cx18_mailbox cpu2ppu_mb; | |
270 | struct cx18_mailbox apu2ppu_mb; | |
271 | struct cx18_mailbox hpu2ppu_mb; | |
272 | struct cx18_mailbox epu2ppu_mb; | |
273 | ||
274 | struct cx18_mailbox cpu2epu_mb; | |
275 | struct cx18_mailbox apu2epu_mb; | |
276 | struct cx18_mailbox hpu2epu_mb; | |
277 | struct cx18_mailbox ppu2epu_mb; | |
278 | ||
279 | struct cx18_mdl_ack cpu_mdl_ack[CX18_MAX_STREAMS][2]; | |
280 | struct cx18_mdl cpu_mdl[1]; | |
281 | }; | |
282 | ||
283 | void cx18_init_scb(struct cx18 *cx); | |
284 | ||
285 | #endif |