| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| /* |
| * cx18 System Control Block initialization |
| * |
| * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> |
| * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> |
| */ |
| |
| #ifndef CX18_SCB_H |
| #define CX18_SCB_H |
| |
| #include "cx18-mailbox.h" |
| |
| /* NOTE: All ACK interrupts are in the SW2 register. All non-ACK interrupts |
| are in the SW1 register. */ |
| |
| #define IRQ_APU_TO_CPU 0x00000001 |
| #define IRQ_CPU_TO_APU_ACK 0x00000001 |
| #define IRQ_HPU_TO_CPU 0x00000002 |
| #define IRQ_CPU_TO_HPU_ACK 0x00000002 |
| #define IRQ_PPU_TO_CPU 0x00000004 |
| #define IRQ_CPU_TO_PPU_ACK 0x00000004 |
| #define IRQ_EPU_TO_CPU 0x00000008 |
| #define IRQ_CPU_TO_EPU_ACK 0x00000008 |
| |
| #define IRQ_CPU_TO_APU 0x00000010 |
| #define IRQ_APU_TO_CPU_ACK 0x00000010 |
| #define IRQ_HPU_TO_APU 0x00000020 |
| #define IRQ_APU_TO_HPU_ACK 0x00000020 |
| #define IRQ_PPU_TO_APU 0x00000040 |
| #define IRQ_APU_TO_PPU_ACK 0x00000040 |
| #define IRQ_EPU_TO_APU 0x00000080 |
| #define IRQ_APU_TO_EPU_ACK 0x00000080 |
| |
| #define IRQ_CPU_TO_HPU 0x00000100 |
| #define IRQ_HPU_TO_CPU_ACK 0x00000100 |
| #define IRQ_APU_TO_HPU 0x00000200 |
| #define IRQ_HPU_TO_APU_ACK 0x00000200 |
| #define IRQ_PPU_TO_HPU 0x00000400 |
| #define IRQ_HPU_TO_PPU_ACK 0x00000400 |
| #define IRQ_EPU_TO_HPU 0x00000800 |
| #define IRQ_HPU_TO_EPU_ACK 0x00000800 |
| |
| #define IRQ_CPU_TO_PPU 0x00001000 |
| #define IRQ_PPU_TO_CPU_ACK 0x00001000 |
| #define IRQ_APU_TO_PPU 0x00002000 |
| #define IRQ_PPU_TO_APU_ACK 0x00002000 |
| #define IRQ_HPU_TO_PPU 0x00004000 |
| #define IRQ_PPU_TO_HPU_ACK 0x00004000 |
| #define IRQ_EPU_TO_PPU 0x00008000 |
| #define IRQ_PPU_TO_EPU_ACK 0x00008000 |
| |
| #define IRQ_CPU_TO_EPU 0x00010000 |
| #define IRQ_EPU_TO_CPU_ACK 0x00010000 |
| #define IRQ_APU_TO_EPU 0x00020000 |
| #define IRQ_EPU_TO_APU_ACK 0x00020000 |
| #define IRQ_HPU_TO_EPU 0x00040000 |
| #define IRQ_EPU_TO_HPU_ACK 0x00040000 |
| #define IRQ_PPU_TO_EPU 0x00080000 |
| #define IRQ_EPU_TO_PPU_ACK 0x00080000 |
| |
| #define SCB_OFFSET 0xDC0000 |
| |
| /* If Firmware uses fixed memory map, it shall not allocate the area |
| between SCB_OFFSET and SCB_OFFSET+SCB_RESERVED_SIZE-1 inclusive */ |
| #define SCB_RESERVED_SIZE 0x10000 |
| |
| |
| /* This structure is used by EPU to provide memory descriptors in its memory */ |
| struct cx18_mdl_ent { |
| u32 paddr; /* Physical address of a buffer segment */ |
| u32 length; /* Length of the buffer segment */ |
| }; |
| |
| struct cx18_scb { |
| /* These fields form the System Control Block which is used at boot time |
| for localizing the IPC data as well as the code positions for all |
| processors. The offsets are from the start of this struct. */ |
| |
| /* Offset where to find the Inter-Processor Communication data */ |
| u32 ipc_offset; |
| u32 reserved01[7]; |
| /* Offset where to find the start of the CPU code */ |
| u32 cpu_code_offset; |
| u32 reserved02[3]; |
| /* Offset where to find the start of the APU code */ |
| u32 apu_code_offset; |
| u32 reserved03[3]; |
| /* Offset where to find the start of the HPU code */ |
| u32 hpu_code_offset; |
| u32 reserved04[3]; |
| /* Offset where to find the start of the PPU code */ |
| u32 ppu_code_offset; |
| u32 reserved05[3]; |
| |
| /* These fields form Inter-Processor Communication data which is used |
| by all processors to locate the information needed for communicating |
| with other processors */ |
| |
| /* Fields for CPU: */ |
| |
| /* bit 0: 1/0 processor ready/not ready. Set other bits to 0. */ |
| u32 cpu_state; |
| u32 reserved1[7]; |
| /* Offset to the mailbox used for sending commands from APU to CPU */ |
| u32 apu2cpu_mb_offset; |
| /* Value to write to register SW1 register set (0xC7003100) after the |
| command is ready */ |
| u32 apu2cpu_irq; |
| /* Value to write to register SW2 register set (0xC7003140) after the |
| command is cleared */ |
| u32 cpu2apu_irq_ack; |
| u32 reserved2[13]; |
| |
| u32 hpu2cpu_mb_offset; |
| u32 hpu2cpu_irq; |
| u32 cpu2hpu_irq_ack; |
| u32 reserved3[13]; |
| |
| u32 ppu2cpu_mb_offset; |
| u32 ppu2cpu_irq; |
| u32 cpu2ppu_irq_ack; |
| u32 reserved4[13]; |
| |
| u32 epu2cpu_mb_offset; |
| u32 epu2cpu_irq; |
| u32 cpu2epu_irq_ack; |
| u32 reserved5[13]; |
| u32 reserved6[8]; |
| |
| /* Fields for APU: */ |
| |
| u32 apu_state; |
| u32 reserved11[7]; |
| u32 cpu2apu_mb_offset; |
| u32 cpu2apu_irq; |
| u32 apu2cpu_irq_ack; |
| u32 reserved12[13]; |
| |
| u32 hpu2apu_mb_offset; |
| u32 hpu2apu_irq; |
| u32 apu2hpu_irq_ack; |
| u32 reserved13[13]; |
| |
| u32 ppu2apu_mb_offset; |
| u32 ppu2apu_irq; |
| u32 apu2ppu_irq_ack; |
| u32 reserved14[13]; |
| |
| u32 epu2apu_mb_offset; |
| u32 epu2apu_irq; |
| u32 apu2epu_irq_ack; |
| u32 reserved15[13]; |
| u32 reserved16[8]; |
| |
| /* Fields for HPU: */ |
| |
| u32 hpu_state; |
| u32 reserved21[7]; |
| u32 cpu2hpu_mb_offset; |
| u32 cpu2hpu_irq; |
| u32 hpu2cpu_irq_ack; |
| u32 reserved22[13]; |
| |
| u32 apu2hpu_mb_offset; |
| u32 apu2hpu_irq; |
| u32 hpu2apu_irq_ack; |
| u32 reserved23[13]; |
| |
| u32 ppu2hpu_mb_offset; |
| u32 ppu2hpu_irq; |
| u32 hpu2ppu_irq_ack; |
| u32 reserved24[13]; |
| |
| u32 epu2hpu_mb_offset; |
| u32 epu2hpu_irq; |
| u32 hpu2epu_irq_ack; |
| u32 reserved25[13]; |
| u32 reserved26[8]; |
| |
| /* Fields for PPU: */ |
| |
| u32 ppu_state; |
| u32 reserved31[7]; |
| u32 cpu2ppu_mb_offset; |
| u32 cpu2ppu_irq; |
| u32 ppu2cpu_irq_ack; |
| u32 reserved32[13]; |
| |
| u32 apu2ppu_mb_offset; |
| u32 apu2ppu_irq; |
| u32 ppu2apu_irq_ack; |
| u32 reserved33[13]; |
| |
| u32 hpu2ppu_mb_offset; |
| u32 hpu2ppu_irq; |
| u32 ppu2hpu_irq_ack; |
| u32 reserved34[13]; |
| |
| u32 epu2ppu_mb_offset; |
| u32 epu2ppu_irq; |
| u32 ppu2epu_irq_ack; |
| u32 reserved35[13]; |
| u32 reserved36[8]; |
| |
| /* Fields for EPU: */ |
| |
| u32 epu_state; |
| u32 reserved41[7]; |
| u32 cpu2epu_mb_offset; |
| u32 cpu2epu_irq; |
| u32 epu2cpu_irq_ack; |
| u32 reserved42[13]; |
| |
| u32 apu2epu_mb_offset; |
| u32 apu2epu_irq; |
| u32 epu2apu_irq_ack; |
| u32 reserved43[13]; |
| |
| u32 hpu2epu_mb_offset; |
| u32 hpu2epu_irq; |
| u32 epu2hpu_irq_ack; |
| u32 reserved44[13]; |
| |
| u32 ppu2epu_mb_offset; |
| u32 ppu2epu_irq; |
| u32 epu2ppu_irq_ack; |
| u32 reserved45[13]; |
| u32 reserved46[8]; |
| |
| u32 semaphores[8]; /* Semaphores */ |
| |
| u32 reserved50[32]; /* Reserved for future use */ |
| |
| struct cx18_mailbox apu2cpu_mb; |
| struct cx18_mailbox hpu2cpu_mb; |
| struct cx18_mailbox ppu2cpu_mb; |
| struct cx18_mailbox epu2cpu_mb; |
| |
| struct cx18_mailbox cpu2apu_mb; |
| struct cx18_mailbox hpu2apu_mb; |
| struct cx18_mailbox ppu2apu_mb; |
| struct cx18_mailbox epu2apu_mb; |
| |
| struct cx18_mailbox cpu2hpu_mb; |
| struct cx18_mailbox apu2hpu_mb; |
| struct cx18_mailbox ppu2hpu_mb; |
| struct cx18_mailbox epu2hpu_mb; |
| |
| struct cx18_mailbox cpu2ppu_mb; |
| struct cx18_mailbox apu2ppu_mb; |
| struct cx18_mailbox hpu2ppu_mb; |
| struct cx18_mailbox epu2ppu_mb; |
| |
| struct cx18_mailbox cpu2epu_mb; |
| struct cx18_mailbox apu2epu_mb; |
| struct cx18_mailbox hpu2epu_mb; |
| struct cx18_mailbox ppu2epu_mb; |
| |
| struct cx18_mdl_ack cpu_mdl_ack[CX18_MAX_STREAMS][CX18_MAX_MDL_ACKS]; |
| struct cx18_mdl_ent cpu_mdl[]; |
| }; |
| |
| void cx18_init_scb(struct cx18 *cx); |
| |
| #endif |
