1 files changed, 285 insertions, 0 deletions

diff --git a/drivers/media/video/cx18/cx18-scb.h b/drivers/media/video/cx18/cx18-scb.h
new file mode 100644
index 000000000000..86b4cb15d163
--- /dev/null
+++ b/drivers/media/video/cx18/cx18-scb.h
@@ -0,0 +1,285 @@
+/*
+ *  cx18 System Control Block initialization
+ *
+ *  Copyright (C) 2007  Hans Verkuil <hverkuil@xs4all.nl>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ *  02111-1307  USA
+ */
+
+#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 {
+    u32 paddr;  /* Physical address of a buffer segment */
+    u32 length; /* Length of the buffer segment */
+};
+
+/* This structure is used by CPU to provide completed buffers information */
+struct cx18_mdl_ack {
+    u32 id;        /* ID of a completed MDL */
+    u32 data_used; /* Total data filled in the MDL for buffer 'id' */
+};
+
+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 apu2cpu_irq_ack;
+        u32 reserved2[13];
+
+        u32 hpu2cpu_mb_offset;
+        u32 hpu2cpu_irq;
+        u32 hpu2cpu_irq_ack;
+        u32 reserved3[13];
+
+        u32 ppu2cpu_mb_offset;
+        u32 ppu2cpu_irq;
+        u32 ppu2cpu_irq_ack;
+        u32 reserved4[13];
+
+        u32 epu2cpu_mb_offset;
+        u32 epu2cpu_irq;
+        u32 epu2cpu_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 cpu2apu_irq_ack;
+        u32 reserved12[13];
+
+        u32 hpu2apu_mb_offset;
+        u32 hpu2apu_irq;
+        u32 hpu2apu_irq_ack;
+        u32 reserved13[13];
+
+        u32 ppu2apu_mb_offset;
+        u32 ppu2apu_irq;
+        u32 ppu2apu_irq_ack;
+        u32 reserved14[13];
+
+        u32 epu2apu_mb_offset;
+        u32 epu2apu_irq;
+        u32 epu2apu_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 cpu2hpu_irq_ack;
+        u32 reserved22[13];
+
+        u32 apu2hpu_mb_offset;
+        u32 apu2hpu_irq;
+        u32 apu2hpu_irq_ack;
+        u32 reserved23[13];
+
+        u32 ppu2hpu_mb_offset;
+        u32 ppu2hpu_irq;
+        u32 ppu2hpu_irq_ack;
+        u32 reserved24[13];
+
+        u32 epu2hpu_mb_offset;
+        u32 epu2hpu_irq;
+        u32 epu2hpu_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 cpu2ppu_irq_ack;
+        u32 reserved32[13];
+
+        u32 apu2ppu_mb_offset;
+        u32 apu2ppu_irq;
+        u32 apu2ppu_irq_ack;
+        u32 reserved33[13];
+
+        u32 hpu2ppu_mb_offset;
+        u32 hpu2ppu_irq;
+        u32 hpu2ppu_irq_ack;
+        u32 reserved34[13];
+
+        u32 epu2ppu_mb_offset;
+        u32 epu2ppu_irq;
+        u32 epu2ppu_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 cpu2epu_irq_ack;
+        u32 reserved42[13];
+
+        u32 apu2epu_mb_offset;
+        u32 apu2epu_irq;
+        u32 apu2epu_irq_ack;
+        u32 reserved43[13];
+
+        u32 hpu2epu_mb_offset;
+        u32 hpu2epu_irq;
+        u32 hpu2epu_irq_ack;
+        u32 reserved44[13];
+
+        u32 ppu2epu_mb_offset;
+        u32 ppu2epu_irq;
+        u32 ppu2epu_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][2];
+        struct cx18_mdl      cpu_mdl[1];
+};
+
+void cx18_init_scb(struct cx18 *cx);
+
+#endif