diff options
Diffstat (limited to 'drivers/media/pci/cx18/cx18-scb.h')
| -rw-r--r-- | drivers/media/pci/cx18/cx18-scb.h | 266 |
1 files changed, 266 insertions, 0 deletions
diff --git a/drivers/media/pci/cx18/cx18-scb.h b/drivers/media/pci/cx18/cx18-scb.h new file mode 100644 index 000000000..f7105421d --- /dev/null +++ b/drivers/media/pci/cx18/cx18-scb.h @@ -0,0 +1,266 @@ +/* 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[1]; +}; + +void cx18_init_scb(struct cx18 *cx); + +#endif |