2 * Support for Intel Camera Imaging ISP subsystem.
3 * Copyright (c) 2010-2015, Intel Corporation.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 #include <system_global.h>
18 #ifndef __INLINE_ISP__
19 #include "isp_private.h"
20 #endif /* __INLINE_ISP__ */
22 #include "assert_support.h"
23 #include "platform_support.h" /* hrt_sleep() */
25 void cnd_isp_irq_enable(
30 isp_ctrl_setbit(ID, ISP_IRQ_READY_REG, ISP_IRQ_READY_BIT);
31 /* Enabling the IRQ immediately triggers an interrupt, clear it */
32 isp_ctrl_setbit(ID, ISP_IRQ_CLEAR_REG, ISP_IRQ_CLEAR_BIT);
34 isp_ctrl_clearbit(ID, ISP_IRQ_READY_REG,
45 hrt_data sc = isp_ctrl_load(ID, ISP_SC_REG);
47 assert(state != NULL);
48 assert(stall != NULL);
50 #if defined(_hrt_sysmem_ident_address)
51 /* Patch to avoid compiler unused symbol warning in C_RUN build */
52 (void)__hrt_sysmem_ident_address;
53 (void)_hrt_sysmem_map_var;
56 state->pc = isp_ctrl_load(ID, ISP_PC_REG);
57 state->status_register = sc;
58 state->is_broken = isp_ctrl_getbit(ID, ISP_SC_REG, ISP_BROKEN_BIT);
59 state->is_idle = isp_ctrl_getbit(ID, ISP_SC_REG, ISP_IDLE_BIT);
60 state->is_sleeping = isp_ctrl_getbit(ID, ISP_SC_REG, ISP_SLEEPING_BIT);
61 state->is_stalling = isp_ctrl_getbit(ID, ISP_SC_REG, ISP_STALLING_BIT);
63 !isp_ctrl_getbit(ID, ISP_CTRL_SINK_REG, ISP_CTRL_SINK_BIT);
65 !isp_ctrl_getbit(ID, ISP_PMEM_SINK_REG, ISP_PMEM_SINK_BIT);
67 !isp_ctrl_getbit(ID, ISP_DMEM_SINK_REG, ISP_DMEM_SINK_BIT);
69 !isp_ctrl_getbit(ID, ISP_VMEM_SINK_REG, ISP_VMEM_SINK_BIT);
71 !isp_ctrl_getbit(ID, ISP_FIFO0_SINK_REG, ISP_FIFO0_SINK_BIT);
73 !isp_ctrl_getbit(ID, ISP_FIFO1_SINK_REG, ISP_FIFO1_SINK_BIT);
75 !isp_ctrl_getbit(ID, ISP_FIFO2_SINK_REG, ISP_FIFO2_SINK_BIT);
77 !isp_ctrl_getbit(ID, ISP_FIFO3_SINK_REG, ISP_FIFO3_SINK_BIT);
79 !isp_ctrl_getbit(ID, ISP_FIFO4_SINK_REG, ISP_FIFO4_SINK_BIT);
81 !isp_ctrl_getbit(ID, ISP_FIFO5_SINK_REG, ISP_FIFO5_SINK_BIT);
83 !isp_ctrl_getbit(ID, ISP_FIFO6_SINK_REG, ISP_FIFO6_SINK_BIT);
85 !isp_ctrl_getbit(ID, ISP_VAMEM1_SINK_REG, ISP_VAMEM1_SINK_BIT);
87 !isp_ctrl_getbit(ID, ISP_VAMEM2_SINK_REG, ISP_VAMEM2_SINK_BIT);
89 !isp_ctrl_getbit(ID, ISP_VAMEM3_SINK_REG, ISP_VAMEM3_SINK_BIT);
91 !isp_ctrl_getbit(ID, ISP_HMEM_SINK_REG, ISP_HMEM_SINK_BIT);
93 stall->icache_master =
94 !isp_ctrl_getbit(ID, ISP_ICACHE_MT_SINK_REG,
95 ISP_ICACHE_MT_SINK_BIT);
100 /* ISP functions to control the ISP state from the host, even in crun. */
102 /* Inspect readiness of an ISP indexed by ID */
103 unsigned isp_is_ready(isp_ID_t ID)
105 assert (ID < N_ISP_ID);
106 return isp_ctrl_getbit(ID, ISP_SC_REG, ISP_IDLE_BIT);
109 /* Inspect sleeping of an ISP indexed by ID */
110 unsigned isp_is_sleeping(isp_ID_t ID)
112 assert (ID < N_ISP_ID);
113 return isp_ctrl_getbit(ID, ISP_SC_REG, ISP_SLEEPING_BIT);
116 /* To be called by the host immediately before starting ISP ID. */
117 void isp_start(isp_ID_t ID)
119 assert (ID < N_ISP_ID);
122 /* Wake up ISP ID. */
123 void isp_wake(isp_ID_t ID)
125 assert (ID < N_ISP_ID);
126 isp_ctrl_setbit(ID, ISP_SC_REG, ISP_START_BIT);