![David Brown](/assets/img/avatar_default.png)
Replace a BSD-style license in Code Aurora Forum authored files with an explicit GPLv2. Signed-off-by: David Brown <davidb@codeaurora.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
532 lines
17 KiB
C
532 lines
17 KiB
C
/* Copyright (c) 2008-2009, Code Aurora Forum. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef MDDIHOSTI_H
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#define MDDIHOSTI_H
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#include "msm_fb.h"
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#include "mddihost.h"
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#include <linux/clk.h>
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/* Register offsets in MDDI, applies to both msm_pmdh_base and
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* (u32)msm_emdh_base. */
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#define MDDI_CMD 0x0000
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#define MDDI_VERSION 0x0004
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#define MDDI_PRI_PTR 0x0008
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#define MDDI_BPS 0x0010
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#define MDDI_SPM 0x0014
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#define MDDI_INT 0x0018
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#define MDDI_INTEN 0x001c
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#define MDDI_REV_PTR 0x0020
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#define MDDI_REV_SIZE 0x0024
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#define MDDI_STAT 0x0028
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#define MDDI_REV_RATE_DIV 0x002c
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#define MDDI_REV_CRC_ERR 0x0030
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#define MDDI_TA1_LEN 0x0034
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#define MDDI_TA2_LEN 0x0038
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#define MDDI_TEST 0x0040
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#define MDDI_REV_PKT_CNT 0x0044
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#define MDDI_DRIVE_HI 0x0048
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#define MDDI_DRIVE_LO 0x004c
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#define MDDI_DISP_WAKE 0x0050
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#define MDDI_REV_ENCAP_SZ 0x0054
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#define MDDI_RTD_VAL 0x0058
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#define MDDI_PAD_CTL 0x0068
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#define MDDI_DRIVER_START_CNT 0x006c
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#define MDDI_CORE_VER 0x008c
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#define MDDI_FIFO_ALLOC 0x0090
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#define MDDI_PAD_IO_CTL 0x00a0
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#define MDDI_PAD_CAL 0x00a4
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extern u32 mddi_msg_level;
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/* No longer need to write to clear these registers */
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#define xxxx_mddi_host_reg_outm(reg, mask, val) \
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do { \
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if (host_idx == MDDI_HOST_PRIM) \
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mddi_host_reg_outm_pmdh(reg, mask, val); \
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else \
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mddi_host_reg_outm_emdh(reg, mask, val); \
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} while (0)
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#define mddi_host_reg_outm(reg, mask, val) \
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do { \
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unsigned long __addr; \
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if (host_idx == MDDI_HOST_PRIM) \
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__addr = (u32)msm_pmdh_base + MDDI_##reg; \
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else \
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__addr = (u32)msm_emdh_base + MDDI_##reg; \
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writel((readl(__addr) & ~(mask)) | ((val) & (mask)), __addr); \
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} while (0)
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#define xxxx_mddi_host_reg_out(reg, val) \
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do { \
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if (host_idx == MDDI_HOST_PRIM) \
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mddi_host_reg_out_pmdh(reg, val); \
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else \
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mddi_host_reg_out_emdh(reg, val); \
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} while (0)
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#define mddi_host_reg_out(reg, val) \
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do { \
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if (host_idx == MDDI_HOST_PRIM) \
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writel(val, (u32)msm_pmdh_base + MDDI_##reg); \
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else \
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writel(val, (u32)msm_emdh_base + MDDI_##reg); \
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} while (0)
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#define xxxx_mddi_host_reg_in(reg) \
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((host_idx) ? \
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mddi_host_reg_in_emdh(reg) : mddi_host_reg_in_pmdh(reg));
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#define mddi_host_reg_in(reg) \
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((host_idx) ? \
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readl((u32)msm_emdh_base + MDDI_##reg) : \
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readl((u32)msm_pmdh_base + MDDI_##reg)) \
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#define xxxx_mddi_host_reg_inm(reg, mask) \
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((host_idx) ? \
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mddi_host_reg_inm_emdh(reg, mask) : \
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mddi_host_reg_inm_pmdh(reg, mask);)
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#define mddi_host_reg_inm(reg, mask) \
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((host_idx) ? \
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readl((u32)msm_emdh_base + MDDI_##reg) & (mask) : \
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readl((u32)msm_pmdh_base + MDDI_##reg) & (mask)) \
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/* Using non-cacheable pmem, so do nothing */
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#define mddi_invalidate_cache_lines(addr_start, num_bytes)
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/*
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* Using non-cacheable pmem, so do nothing with cache
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* but, ensure write goes out to memory
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*/
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#define mddi_flush_cache_lines(addr_start, num_bytes) \
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(void) addr_start; \
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(void) num_bytes; \
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memory_barrier()
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/* Since this translates to Remote Procedure Calls to check on clock status
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* just use a local variable to keep track of io_clock */
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#define MDDI_HOST_IS_IO_CLOCK_ON mddi_host_io_clock_on
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#define MDDI_HOST_ENABLE_IO_CLOCK
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#define MDDI_HOST_DISABLE_IO_CLOCK
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#define MDDI_HOST_IS_HCLK_ON mddi_host_hclk_on
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#define MDDI_HOST_ENABLE_HCLK
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#define MDDI_HOST_DISABLE_HCLK
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#define FEATURE_MDDI_HOST_IO_CLOCK_CONTROL_DISABLE
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#define FEATURE_MDDI_HOST_HCLK_CONTROL_DISABLE
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#define TRAMP_MDDI_HOST_ISR TRAMP_MDDI_PRI_ISR
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#define TRAMP_MDDI_HOST_EXT_ISR TRAMP_MDDI_EXT_ISR
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#define MDP_LINE_COUNT_BMSK 0x3ff
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#define MDP_SYNC_STATUS 0x000c
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#define MDP_LINE_COUNT \
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(readl(msm_mdp_base + MDP_SYNC_STATUS) & MDP_LINE_COUNT_BMSK)
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/* MDP sends 256 pixel packets, so lower value hibernates more without
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* significantly increasing latency of waiting for next subframe */
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#define MDDI_HOST_BYTES_PER_SUBFRAME 0x3C00
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#if defined(CONFIG_FB_MSM_MDP31) || defined(CONFIG_FB_MSM_MDP40)
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#define MDDI_HOST_TA2_LEN 0x001a
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#define MDDI_HOST_REV_RATE_DIV 0x0004
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#else
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#define MDDI_HOST_TA2_LEN 0x000c
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#define MDDI_HOST_REV_RATE_DIV 0x0002
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#endif
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#define MDDI_MSG_EMERG(msg, ...) \
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if (mddi_msg_level > 0) \
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printk(KERN_EMERG msg, ## __VA_ARGS__);
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#define MDDI_MSG_ALERT(msg, ...) \
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if (mddi_msg_level > 1) \
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printk(KERN_ALERT msg, ## __VA_ARGS__);
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#define MDDI_MSG_CRIT(msg, ...) \
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if (mddi_msg_level > 2) \
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printk(KERN_CRIT msg, ## __VA_ARGS__);
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#define MDDI_MSG_ERR(msg, ...) \
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if (mddi_msg_level > 3) \
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printk(KERN_ERR msg, ## __VA_ARGS__);
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#define MDDI_MSG_WARNING(msg, ...) \
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if (mddi_msg_level > 4) \
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printk(KERN_WARNING msg, ## __VA_ARGS__);
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#define MDDI_MSG_NOTICE(msg, ...) \
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if (mddi_msg_level > 5) \
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printk(KERN_NOTICE msg, ## __VA_ARGS__);
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#define MDDI_MSG_INFO(msg, ...) \
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if (mddi_msg_level > 6) \
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printk(KERN_INFO msg, ## __VA_ARGS__);
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#define MDDI_MSG_DEBUG(msg, ...) \
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if (mddi_msg_level > 7) \
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printk(KERN_DEBUG msg, ## __VA_ARGS__);
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#define GCC_PACKED __attribute__((packed))
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typedef struct GCC_PACKED {
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uint16 packet_length;
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/* total # of bytes in the packet not including
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the packet_length field. */
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uint16 packet_type;
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/* A Packet Type of 70 identifies the packet as
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a Client status Packet. */
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uint16 bClient_ID;
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/* This field is reserved for future use and shall
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be set to zero. */
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} mddi_rev_packet_type;
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typedef struct GCC_PACKED {
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uint16 packet_length;
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/* total # of bytes in the packet not including
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the packet_length field. */
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uint16 packet_type;
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/* A Packet Type of 70 identifies the packet as
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a Client status Packet. */
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uint16 bClient_ID;
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/* This field is reserved for future use and shall
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be set to zero. */
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uint16 reverse_link_request;
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/* 16 bit unsigned integer with number of bytes client
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needs in the * reverse encapsulation message
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to transmit data. */
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uint8 crc_error_count;
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uint8 capability_change;
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uint16 graphics_busy_flags;
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uint16 parameter_CRC;
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/* 16-bit CRC of all the bytes in the packet
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including Packet Length. */
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} mddi_client_status_type;
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typedef struct GCC_PACKED {
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uint16 packet_length;
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/* total # of bytes in the packet not including
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the packet_length field. */
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uint16 packet_type;
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/* A Packet Type of 66 identifies the packet as
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a Client Capability Packet. */
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uint16 bClient_ID;
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/* This field is reserved for future use and
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shall be set to zero. */
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uint16 Protocol_Version;
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uint16 Minimum_Protocol_Version;
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uint16 Data_Rate_Capability;
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uint8 Interface_Type_Capability;
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uint8 Number_of_Alt_Displays;
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uint16 PostCal_Data_Rate;
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uint16 Bitmap_Width;
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uint16 Bitmap_Height;
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uint16 Display_Window_Width;
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uint16 Display_Window_Height;
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uint32 Color_Map_Size;
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uint16 Color_Map_RGB_Width;
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uint16 RGB_Capability;
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uint8 Monochrome_Capability;
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uint8 Reserved_1;
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uint16 Y_Cb_Cr_Capability;
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uint16 Bayer_Capability;
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uint16 Alpha_Cursor_Image_Planes;
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uint32 Client_Feature_Capability_Indicators;
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uint8 Maximum_Video_Frame_Rate_Capability;
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uint8 Minimum_Video_Frame_Rate_Capability;
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uint16 Minimum_Sub_frame_Rate;
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uint16 Audio_Buffer_Depth;
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uint16 Audio_Channel_Capability;
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uint16 Audio_Sample_Rate_Capability;
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uint8 Audio_Sample_Resolution;
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uint8 Mic_Audio_Sample_Resolution;
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uint16 Mic_Sample_Rate_Capability;
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uint8 Keyboard_Data_Format;
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uint8 pointing_device_data_format;
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uint16 content_protection_type;
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uint16 Mfr_Name;
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uint16 Product_Code;
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uint16 Reserved_3;
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uint32 Serial_Number;
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uint8 Week_of_Manufacture;
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uint8 Year_of_Manufacture;
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uint16 parameter_CRC;
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/* 16-bit CRC of all the bytes in the packet including Packet Length. */
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} mddi_client_capability_type;
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typedef struct GCC_PACKED {
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uint16 packet_length;
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/* total # of bytes in the packet not including the packet_length field. */
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uint16 packet_type;
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/* A Packet Type of 16 identifies the packet as a Video Stream Packet. */
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uint16 bClient_ID;
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/* This field is reserved for future use and shall be set to zero. */
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uint16 video_data_format_descriptor;
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/* format of each pixel in the Pixel Data in the present stream in the
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* present packet.
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* If bits [15:13] = 000 monochrome
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* If bits [15:13] = 001 color pixels (palette).
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* If bits [15:13] = 010 color pixels in raw RGB
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* If bits [15:13] = 011 data in 4:2:2 Y Cb Cr format
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* If bits [15:13] = 100 Bayer pixels
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*/
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uint16 pixel_data_attributes;
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/* interpreted as follows:
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* Bits [1:0] = 11 pixel data is displayed to both eyes
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* Bits [1:0] = 10 pixel data is routed to the left eye only.
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* Bits [1:0] = 01 pixel data is routed to the right eye only.
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* Bits [1:0] = 00 pixel data is routed to the alternate display.
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* Bit 2 is 0 Pixel Data is in the standard progressive format.
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* Bit 2 is 1 Pixel Data is in interlace format.
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* Bit 3 is 0 Pixel Data is in the standard progressive format.
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* Bit 3 is 1 Pixel Data is in alternate pixel format.
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* Bit 4 is 0 Pixel Data is to or from the display frame buffer.
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* Bit 4 is 1 Pixel Data is to or from the camera.
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* Bit 5 is 0 pixel data contains the next consecutive row of pixels.
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* Bit 5 is 1 X Left Edge, Y Top Edge, X Right Edge, Y Bottom Edge,
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* X Start, and Y Start parameters are not defined and
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* shall be ignored by the client.
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* Bits [7:6] = 01 Pixel data is written to the offline image buffer.
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* Bits [7:6] = 00 Pixel data is written to the buffer to refresh display.
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* Bits [7:6] = 11 Pixel data is written to all image buffers.
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* Bits [7:6] = 10 Invalid. Reserved for future use.
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* Bits 8 through 11 alternate display number.
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* Bits 12 through 14 are reserved for future use and shall be set to zero.
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* Bit 15 is 1 the row of pixels is the last row of pixels in a frame.
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*/
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uint16 x_left_edge;
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uint16 y_top_edge;
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/* X,Y coordinate of the top left edge of the screen window */
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uint16 x_right_edge;
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uint16 y_bottom_edge;
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/* X,Y coordinate of the bottom right edge of the window being updated. */
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uint16 x_start;
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uint16 y_start;
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/* (X Start, Y Start) is the first pixel in the Pixel Data field below. */
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uint16 pixel_count;
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/* number of pixels in the Pixel Data field below. */
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uint16 parameter_CRC;
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/* 16-bit CRC of all bytes from the Packet Length to the Pixel Count. */
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uint16 reserved;
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/* 16-bit variable to make structure align on 4 byte boundary */
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} mddi_video_stream_packet_type;
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typedef struct GCC_PACKED {
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uint16 packet_length;
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/* total # of bytes in the packet not including the packet_length field. */
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uint16 packet_type;
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/* A Packet Type of 146 identifies the packet as a Register Access Packet. */
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uint16 bClient_ID;
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/* This field is reserved for future use and shall be set to zero. */
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uint16 read_write_info;
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/* Bits 13:0 a 14-bit unsigned integer that specifies the number of
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* 32-bit Register Data List items to be transferred in the
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* Register Data List field.
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* Bits[15:14] = 00 Write to register(s);
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* Bits[15:14] = 10 Read from register(s);
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* Bits[15:14] = 11 Response to a Read.
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* Bits[15:14] = 01 this value is reserved for future use. */
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uint32 register_address;
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/* the register address that is to be written to or read from. */
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uint16 parameter_CRC;
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/* 16-bit CRC of all bytes from the Packet Length to the Register Address. */
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uint32 register_data_list;
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/* list of 4-byte register data values for/from client registers */
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} mddi_register_access_packet_type;
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typedef union GCC_PACKED {
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mddi_video_stream_packet_type video_pkt;
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mddi_register_access_packet_type register_pkt;
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/* add 48 byte pad to ensure 64 byte llist struct, that can be
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* manipulated easily with cache */
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uint32 alignment_pad[12]; /* 48 bytes */
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} mddi_packet_header_type;
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typedef struct GCC_PACKED mddi_host_llist_struct {
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uint16 link_controller_flags;
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uint16 packet_header_count;
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uint16 packet_data_count;
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void *packet_data_pointer;
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struct mddi_host_llist_struct *next_packet_pointer;
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uint16 reserved;
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mddi_packet_header_type packet_header;
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} mddi_linked_list_type;
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typedef struct {
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struct completion done_comp;
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mddi_llist_done_cb_type done_cb;
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uint16 next_idx;
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boolean waiting;
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boolean in_use;
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} mddi_linked_list_notify_type;
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#define MDDI_LLIST_POOL_SIZE 0x1000
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#define MDDI_MAX_NUM_LLIST_ITEMS (MDDI_LLIST_POOL_SIZE / \
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sizeof(mddi_linked_list_type))
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#define UNASSIGNED_INDEX MDDI_MAX_NUM_LLIST_ITEMS
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#define MDDI_FIRST_DYNAMIC_LLIST_IDX 0
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/* Static llist items can be used for applications that frequently send
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* the same set of packets using the linked list interface. */
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/* Here we configure for 6 static linked list items:
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* The 1st is used for a the adaptive backlight setting.
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* and the remaining 5 are used for sending window adjustments for
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* MDDI clients that need windowing info sent separate from video
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* packets. */
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#define MDDI_NUM_STATIC_ABL_ITEMS 1
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#define MDDI_NUM_STATIC_WINDOW_ITEMS 5
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#define MDDI_NUM_STATIC_LLIST_ITEMS (MDDI_NUM_STATIC_ABL_ITEMS + \
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MDDI_NUM_STATIC_WINDOW_ITEMS)
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#define MDDI_NUM_DYNAMIC_LLIST_ITEMS (MDDI_MAX_NUM_LLIST_ITEMS - \
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MDDI_NUM_STATIC_LLIST_ITEMS)
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#define MDDI_FIRST_STATIC_LLIST_IDX MDDI_NUM_DYNAMIC_LLIST_ITEMS
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#define MDDI_FIRST_STATIC_ABL_IDX MDDI_FIRST_STATIC_LLIST_IDX
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#define MDDI_FIRST_STATIC_WINDOW_IDX (MDDI_FIRST_STATIC_LLIST_IDX + \
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MDDI_NUM_STATIC_ABL_ITEMS)
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/* GPIO registers */
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#define VSYNC_WAKEUP_REG 0x80
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#define GPIO_REG 0x81
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#define GPIO_OUTPUT_REG 0x82
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#define GPIO_INTERRUPT_REG 0x83
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#define GPIO_INTERRUPT_ENABLE_REG 0x84
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#define GPIO_POLARITY_REG 0x85
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/* Interrupt Bits */
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#define MDDI_INT_PRI_PTR_READ 0x0001
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#define MDDI_INT_SEC_PTR_READ 0x0002
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#define MDDI_INT_REV_DATA_AVAIL 0x0004
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#define MDDI_INT_DISP_REQ 0x0008
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#define MDDI_INT_PRI_UNDERFLOW 0x0010
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#define MDDI_INT_SEC_UNDERFLOW 0x0020
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#define MDDI_INT_REV_OVERFLOW 0x0040
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#define MDDI_INT_CRC_ERROR 0x0080
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#define MDDI_INT_MDDI_IN 0x0100
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#define MDDI_INT_PRI_OVERWRITE 0x0200
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#define MDDI_INT_SEC_OVERWRITE 0x0400
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#define MDDI_INT_REV_OVERWRITE 0x0800
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#define MDDI_INT_DMA_FAILURE 0x1000
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#define MDDI_INT_LINK_ACTIVE 0x2000
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#define MDDI_INT_IN_HIBERNATION 0x4000
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#define MDDI_INT_PRI_LINK_LIST_DONE 0x8000
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#define MDDI_INT_SEC_LINK_LIST_DONE 0x10000
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#define MDDI_INT_NO_CMD_PKTS_PEND 0x20000
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#define MDDI_INT_RTD_FAILURE 0x40000
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#define MDDI_INT_ERROR_CONDITIONS ( \
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MDDI_INT_PRI_UNDERFLOW | MDDI_INT_SEC_UNDERFLOW | \
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MDDI_INT_REV_OVERFLOW | MDDI_INT_CRC_ERROR | \
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MDDI_INT_PRI_OVERWRITE | MDDI_INT_SEC_OVERWRITE | \
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MDDI_INT_RTD_FAILURE | \
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MDDI_INT_REV_OVERWRITE | MDDI_INT_DMA_FAILURE)
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#define MDDI_INT_LINK_STATE_CHANGES ( \
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MDDI_INT_LINK_ACTIVE | MDDI_INT_IN_HIBERNATION)
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/* Status Bits */
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#define MDDI_STAT_LINK_ACTIVE 0x0001
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#define MDDI_STAT_NEW_REV_PTR 0x0002
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#define MDDI_STAT_NEW_PRI_PTR 0x0004
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#define MDDI_STAT_NEW_SEC_PTR 0x0008
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#define MDDI_STAT_IN_HIBERNATION 0x0010
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#define MDDI_STAT_PRI_LINK_LIST_DONE 0x0020
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#define MDDI_STAT_SEC_LINK_LIST_DONE 0x0040
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#define MDDI_STAT_PENDING_TIMING_PKT 0x0080
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#define MDDI_STAT_PENDING_REV_ENCAP 0x0100
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#define MDDI_STAT_PENDING_POWERDOWN 0x0200
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#define MDDI_STAT_RTD_MEAS_FAIL 0x0800
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#define MDDI_STAT_CLIENT_WAKEUP_REQ 0x1000
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/* Command Bits */
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#define MDDI_CMD_POWERDOWN 0x0100
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#define MDDI_CMD_POWERUP 0x0200
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#define MDDI_CMD_HIBERNATE 0x0300
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#define MDDI_CMD_RESET 0x0400
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#define MDDI_CMD_DISP_IGNORE 0x0501
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#define MDDI_CMD_DISP_LISTEN 0x0500
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#define MDDI_CMD_SEND_REV_ENCAP 0x0600
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#define MDDI_CMD_GET_CLIENT_CAP 0x0601
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#define MDDI_CMD_GET_CLIENT_STATUS 0x0602
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#define MDDI_CMD_SEND_RTD 0x0700
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#define MDDI_CMD_LINK_ACTIVE 0x0900
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#define MDDI_CMD_PERIODIC_REV_ENCAP 0x0A00
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extern void mddi_host_init(mddi_host_type host);
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extern void mddi_host_powerdown(mddi_host_type host);
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extern uint16 mddi_get_next_free_llist_item(mddi_host_type host, boolean wait);
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extern uint16 mddi_get_reg_read_llist_item(mddi_host_type host, boolean wait);
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extern void mddi_queue_forward_packets(uint16 first_llist_idx,
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uint16 last_llist_idx,
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boolean wait,
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mddi_llist_done_cb_type llist_done_cb,
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mddi_host_type host);
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extern void mddi_host_write_pix_attr_reg(uint32 value);
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extern void mddi_client_lcd_gpio_poll(uint32 poll_reg_val);
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extern void mddi_client_lcd_vsync_detected(boolean detected);
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extern void mddi_host_disable_hibernation(boolean disable);
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extern mddi_linked_list_type *llist_extern[];
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extern mddi_linked_list_type *llist_dma_extern[];
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extern mddi_linked_list_notify_type *llist_extern_notify[];
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extern struct timer_list mddi_host_timer;
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typedef struct {
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uint16 transmitting_start_idx;
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uint16 transmitting_end_idx;
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uint16 waiting_start_idx;
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uint16 waiting_end_idx;
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uint16 reg_read_idx;
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uint16 next_free_idx;
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boolean reg_read_waiting;
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} mddi_llist_info_type;
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extern mddi_llist_info_type mddi_llist;
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#define MDDI_GPIO_DEFAULT_POLLING_INTERVAL 200
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typedef struct {
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uint32 polling_reg;
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uint32 polling_val;
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uint32 polling_interval;
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boolean polling_enabled;
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} mddi_gpio_info_type;
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uint32 mddi_get_client_id(void);
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void mddi_mhctl_remove(mddi_host_type host_idx);
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void mddi_host_timer_service(unsigned long data);
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#endif /* MDDIHOSTI_H */
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