712 lines
15 KiB
C
712 lines
15 KiB
C
/* Copyright (c) 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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*
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*/
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#include <linux/msm_adsp.h>
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#include <linux/uaccess.h>
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#include <linux/fs.h>
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#include <linux/android_pmem.h>
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#include <linux/sched.h>
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#include <linux/delay.h>
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#include <linux/wait.h>
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#include <linux/clk.h>
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#include <mach/msm_adsp.h>
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#include "msm_vfe7x.h"
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#define QDSP_CMDQUEUE QDSP_vfeCommandQueue
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#define VFE_RESET_CMD 0
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#define VFE_START_CMD 1
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#define VFE_STOP_CMD 2
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#define VFE_FRAME_ACK 20
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#define STATS_AF_ACK 21
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#define STATS_WE_ACK 22
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#define MSG_STOP_ACK 1
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#define MSG_SNAPSHOT 2
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#define MSG_OUTPUT1 6
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#define MSG_OUTPUT2 7
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#define MSG_STATS_AF 8
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#define MSG_STATS_WE 9
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static struct msm_adsp_module *qcam_mod;
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static struct msm_adsp_module *vfe_mod;
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static struct msm_vfe_callback *resp;
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static struct vfe_frame_extra *extdata;
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struct mutex vfe_lock;
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static void *vfe_syncdata;
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static uint8_t vfestopped;
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static struct stop_event stopevent;
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static struct clk *ebi1_clk;
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static const char *const ebi1_clk_name = "ebi1_clk";
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static void vfe_7x_convert(struct msm_vfe_phy_info *pinfo,
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enum vfe_resp_msg type,
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void *data, void **ext, int *elen)
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{
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switch (type) {
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case VFE_MSG_OUTPUT1:
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case VFE_MSG_OUTPUT2:{
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pinfo->y_phy = ((struct vfe_endframe *)data)->y_address;
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pinfo->cbcr_phy =
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((struct vfe_endframe *)data)->cbcr_address;
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CDBG("vfe_7x_convert, y_phy = 0x%x, cbcr_phy = 0x%x\n",
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pinfo->y_phy, pinfo->cbcr_phy);
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((struct vfe_frame_extra *)extdata)->bl_evencol =
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((struct vfe_endframe *)data)->blacklevelevencolumn;
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((struct vfe_frame_extra *)extdata)->bl_oddcol =
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((struct vfe_endframe *)data)->blackleveloddcolumn;
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((struct vfe_frame_extra *)extdata)->g_def_p_cnt =
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((struct vfe_endframe *)data)->
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greendefectpixelcount;
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((struct vfe_frame_extra *)extdata)->r_b_def_p_cnt =
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((struct vfe_endframe *)data)->
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redbluedefectpixelcount;
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*ext = extdata;
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*elen = sizeof(*extdata);
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}
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break;
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case VFE_MSG_STATS_AF:
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case VFE_MSG_STATS_WE:
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pinfo->sbuf_phy = *(uint32_t *) data;
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break;
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default:
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break;
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}
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}
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static void vfe_7x_ops(void *driver_data, unsigned id, size_t len,
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void (*getevent) (void *ptr, size_t len))
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{
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uint32_t evt_buf[3];
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struct msm_vfe_resp *rp;
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void *data;
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len = (id == (uint16_t)-1) ? 0 : len;
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data = resp->vfe_alloc(sizeof(struct msm_vfe_resp) + len,
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vfe_syncdata,
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GFP_ATOMIC);
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if (!data) {
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pr_err("rp: cannot allocate buffer\n");
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return;
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}
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rp = (struct msm_vfe_resp *)data;
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rp->evt_msg.len = len;
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if (id == ((uint16_t)-1)) {
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/* event */
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rp->type = VFE_EVENT;
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rp->evt_msg.type = MSM_CAMERA_EVT;
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getevent(evt_buf, sizeof(evt_buf));
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rp->evt_msg.msg_id = evt_buf[0];
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resp->vfe_resp(rp, MSM_CAM_Q_VFE_EVT,
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vfe_syncdata,
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GFP_ATOMIC);
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} else {
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/* messages */
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rp->evt_msg.type = MSM_CAMERA_MSG;
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rp->evt_msg.msg_id = id;
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rp->evt_msg.data = rp + 1;
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getevent(rp->evt_msg.data, len);
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switch (rp->evt_msg.msg_id) {
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case MSG_SNAPSHOT:
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rp->type = VFE_MSG_SNAPSHOT;
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break;
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case MSG_OUTPUT1:
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rp->type = VFE_MSG_OUTPUT1;
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vfe_7x_convert(&(rp->phy), VFE_MSG_OUTPUT1,
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rp->evt_msg.data, &(rp->extdata),
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&(rp->extlen));
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break;
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case MSG_OUTPUT2:
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rp->type = VFE_MSG_OUTPUT2;
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vfe_7x_convert(&(rp->phy), VFE_MSG_OUTPUT2,
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rp->evt_msg.data, &(rp->extdata),
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&(rp->extlen));
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break;
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case MSG_STATS_AF:
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rp->type = VFE_MSG_STATS_AF;
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vfe_7x_convert(&(rp->phy), VFE_MSG_STATS_AF,
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rp->evt_msg.data, NULL, NULL);
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break;
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case MSG_STATS_WE:
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rp->type = VFE_MSG_STATS_WE;
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vfe_7x_convert(&(rp->phy), VFE_MSG_STATS_WE,
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rp->evt_msg.data, NULL, NULL);
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CDBG("MSG_STATS_WE: phy = 0x%x\n", rp->phy.sbuf_phy);
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break;
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case MSG_STOP_ACK:
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rp->type = VFE_MSG_GENERAL;
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stopevent.state = 1;
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wake_up(&stopevent.wait);
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break;
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default:
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rp->type = VFE_MSG_GENERAL;
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break;
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}
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resp->vfe_resp(rp, MSM_CAM_Q_VFE_MSG, vfe_syncdata, GFP_ATOMIC);
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}
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}
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static struct msm_adsp_ops vfe_7x_sync = {
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.event = vfe_7x_ops,
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};
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static int vfe_7x_enable(struct camera_enable_cmd *enable)
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{
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int rc = -EFAULT;
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if (!strcmp(enable->name, "QCAMTASK"))
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rc = msm_adsp_enable(qcam_mod);
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else if (!strcmp(enable->name, "VFETASK"))
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rc = msm_adsp_enable(vfe_mod);
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return rc;
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}
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static int vfe_7x_disable(struct camera_enable_cmd *enable,
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struct platform_device *dev __attribute__ ((unused)))
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{
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int rc = -EFAULT;
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if (!strcmp(enable->name, "QCAMTASK"))
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rc = msm_adsp_disable(qcam_mod);
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else if (!strcmp(enable->name, "VFETASK"))
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rc = msm_adsp_disable(vfe_mod);
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return rc;
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}
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static int vfe_7x_stop(void)
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{
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int rc = 0;
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uint32_t stopcmd = VFE_STOP_CMD;
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rc = msm_adsp_write(vfe_mod, QDSP_CMDQUEUE, &stopcmd, sizeof(uint32_t));
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if (rc < 0) {
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CDBG("%s:%d: failed rc = %d \n", __func__, __LINE__, rc);
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return rc;
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}
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stopevent.state = 0;
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rc = wait_event_timeout(stopevent.wait,
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stopevent.state != 0,
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msecs_to_jiffies(stopevent.timeout));
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return rc;
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}
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static void vfe_7x_release(struct platform_device *pdev)
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{
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struct msm_sensor_ctrl *sctrl =
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&((struct msm_sync *)vfe_syncdata)->sctrl;
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mutex_lock(&vfe_lock);
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vfe_syncdata = NULL;
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mutex_unlock(&vfe_lock);
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if (!vfestopped) {
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CDBG("%s:%d:Calling vfe_7x_stop()\n", __func__, __LINE__);
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vfe_7x_stop();
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} else
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vfestopped = 0;
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msm_adsp_disable(qcam_mod);
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msm_adsp_disable(vfe_mod);
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if (sctrl)
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sctrl->s_release();
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msm_adsp_put(qcam_mod);
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msm_adsp_put(vfe_mod);
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msm_camio_disable(pdev);
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if (ebi1_clk) {
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clk_set_rate(ebi1_clk, 0);
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clk_put(ebi1_clk);
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ebi1_clk = 0;
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}
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kfree(extdata);
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extdata = 0;
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}
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static int vfe_7x_init(struct msm_vfe_callback *presp,
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struct platform_device *dev)
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{
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int rc = 0;
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init_waitqueue_head(&stopevent.wait);
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stopevent.timeout = 200;
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stopevent.state = 0;
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if (presp && presp->vfe_resp)
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resp = presp;
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else
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return -EIO;
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ebi1_clk = clk_get(NULL, ebi1_clk_name);
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if (!ebi1_clk) {
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pr_err("%s: could not get %s\n", __func__, ebi1_clk_name);
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return -EIO;
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}
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rc = clk_set_rate(ebi1_clk, 128000000);
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if (rc < 0) {
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pr_err("%s: clk_set_rate(%s) failed: %d\n", __func__,
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ebi1_clk_name, rc);
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return rc;
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}
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/* Bring up all the required GPIOs and Clocks */
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rc = msm_camio_enable(dev);
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if (rc < 0)
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return rc;
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msm_camio_camif_pad_reg_reset();
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extdata = kmalloc(sizeof(struct vfe_frame_extra), GFP_ATOMIC);
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if (!extdata) {
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rc = -ENOMEM;
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goto init_fail;
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}
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rc = msm_adsp_get("QCAMTASK", &qcam_mod, &vfe_7x_sync, NULL);
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if (rc) {
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rc = -EBUSY;
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goto get_qcam_fail;
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}
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rc = msm_adsp_get("VFETASK", &vfe_mod, &vfe_7x_sync, NULL);
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if (rc) {
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rc = -EBUSY;
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goto get_vfe_fail;
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}
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return 0;
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get_vfe_fail:
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msm_adsp_put(qcam_mod);
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get_qcam_fail:
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kfree(extdata);
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init_fail:
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return rc;
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}
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static int vfe_7x_config_axi(int mode, struct axidata *ad, struct axiout *ao)
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{
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struct msm_pmem_region *regptr;
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unsigned long *bptr;
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int cnt;
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int rc = 0;
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if (mode == OUTPUT_1 || mode == OUTPUT_1_AND_2) {
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regptr = ad->region;
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CDBG("bufnum1 = %d\n", ad->bufnum1);
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CDBG("config_axi1: O1, phy = 0x%lx, y_off = %d, cbcr_off =%d\n",
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regptr->paddr, regptr->info.y_off, regptr->info.cbcr_off);
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bptr = &ao->output1buffer1_y_phy;
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for (cnt = 0; cnt < ad->bufnum1; cnt++) {
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*bptr = regptr->paddr + regptr->info.y_off;
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bptr++;
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*bptr = regptr->paddr + regptr->info.cbcr_off;
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bptr++;
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regptr++;
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}
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regptr--;
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for (cnt = 0; cnt < (8 - ad->bufnum1); cnt++) {
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*bptr = regptr->paddr + regptr->info.y_off;
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bptr++;
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*bptr = regptr->paddr + regptr->info.cbcr_off;
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bptr++;
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}
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}
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/* if OUTPUT1 or Both */
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if (mode == OUTPUT_2 || mode == OUTPUT_1_AND_2) {
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regptr = &(ad->region[ad->bufnum1]);
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CDBG("bufnum2 = %d\n", ad->bufnum2);
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CDBG("config_axi2: O2, phy = 0x%lx, y_off = %d, cbcr_off =%d\n",
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regptr->paddr, regptr->info.y_off, regptr->info.cbcr_off);
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bptr = &ao->output2buffer1_y_phy;
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for (cnt = 0; cnt < ad->bufnum2; cnt++) {
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*bptr = regptr->paddr + regptr->info.y_off;
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bptr++;
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*bptr = regptr->paddr + regptr->info.cbcr_off;
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bptr++;
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regptr++;
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}
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regptr--;
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for (cnt = 0; cnt < (8 - ad->bufnum2); cnt++) {
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*bptr = regptr->paddr + regptr->info.y_off;
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bptr++;
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*bptr = regptr->paddr + regptr->info.cbcr_off;
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bptr++;
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}
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}
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return rc;
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}
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static int vfe_7x_config(struct msm_vfe_cfg_cmd *cmd, void *data)
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{
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int rc = 0;
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int i;
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struct msm_pmem_region *regptr = NULL;
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struct vfe_stats_ack sack;
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struct axidata *axid = NULL;
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struct axiout axio;
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void *cmd_data_alloc = NULL;
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struct msm_vfe_command_7k vfecmd;
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if (cmd->cmd_type != CMD_FRAME_BUF_RELEASE &&
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cmd->cmd_type != CMD_STATS_BUF_RELEASE &&
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cmd->cmd_type != CMD_STATS_AF_BUF_RELEASE) {
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if (copy_from_user(&vfecmd,
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(void __user *)(cmd->value),
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sizeof(struct msm_vfe_command_7k))) {
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rc = -EFAULT;
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goto config_error;
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}
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}
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switch (cmd->cmd_type) {
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case CMD_STATS_AEC_AWB_ENABLE:
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case CMD_STATS_AXI_CFG:{
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struct vfe_stats_we_cfg scfg;
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axid = data;
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if (!axid) {
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rc = -EFAULT;
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goto config_error;
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}
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if (vfecmd.length != sizeof(typeof(scfg))) {
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rc = -EIO;
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pr_err
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("msm_camera: %s: cmd %d: "\
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"user-space data size %d "\
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"!= kernel data size %d\n", __func__,
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cmd->cmd_type, vfecmd.length,
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sizeof(typeof(scfg)));
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goto config_error;
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}
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if (copy_from_user(&scfg,
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(void __user *)(vfecmd.value),
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vfecmd.length)) {
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rc = -EFAULT;
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goto config_error;
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}
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CDBG("STATS_ENABLE: bufnum = %d, enabling = %d\n",
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axid->bufnum1, scfg.wb_expstatsenable);
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if (axid->bufnum1 > 0) {
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regptr = axid->region;
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for (i = 0; i < axid->bufnum1; i++) {
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CDBG("STATS_ENABLE, phy = 0x%lx\n",
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regptr->paddr);
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scfg.wb_expstatoutputbuffer[i] =
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(void *)regptr->paddr;
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regptr++;
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}
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vfecmd.value = &scfg;
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} else {
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rc = -EINVAL;
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goto config_error;
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}
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}
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break;
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case CMD_STATS_AF_ENABLE:
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case CMD_STATS_AF_AXI_CFG:{
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struct vfe_stats_af_cfg sfcfg;
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axid = data;
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if (!axid) {
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rc = -EFAULT;
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goto config_error;
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}
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if (vfecmd.length > sizeof(typeof(sfcfg))) {
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pr_err
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("msm_camera: %s: cmd %d: user-space "\
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"data %d exceeds kernel buffer %d\n",
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__func__, cmd->cmd_type, vfecmd.length,
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sizeof(typeof(sfcfg)));
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rc = -EIO;
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goto config_error;
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}
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if (copy_from_user(&sfcfg,
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(void __user *)(vfecmd.value),
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vfecmd.length)) {
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rc = -EFAULT;
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goto config_error;
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}
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CDBG("AF_ENABLE: bufnum = %d, enabling = %d\n",
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axid->bufnum1, sfcfg.af_enable);
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if (axid->bufnum1 > 0) {
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regptr = axid->region;
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for (i = 0; i < axid->bufnum1; i++) {
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CDBG("STATS_ENABLE, phy = 0x%lx\n",
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regptr->paddr);
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sfcfg.af_outbuf[i] =
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(void *)regptr->paddr;
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regptr++;
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}
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vfecmd.value = &sfcfg;
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} else {
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rc = -EINVAL;
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goto config_error;
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}
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}
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break;
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|
|
case CMD_FRAME_BUF_RELEASE:{
|
|
struct msm_frame *b;
|
|
unsigned long p;
|
|
struct vfe_outputack fack;
|
|
if (!data) {
|
|
rc = -EFAULT;
|
|
goto config_error;
|
|
}
|
|
|
|
b = (struct msm_frame *)(cmd->value);
|
|
p = *(unsigned long *)data;
|
|
|
|
fack.header = VFE_FRAME_ACK;
|
|
|
|
fack.output2newybufferaddress = (void *)(p + b->y_off);
|
|
|
|
fack.output2newcbcrbufferaddress =
|
|
(void *)(p + b->cbcr_off);
|
|
|
|
vfecmd.queue = QDSP_CMDQUEUE;
|
|
vfecmd.length = sizeof(struct vfe_outputack);
|
|
vfecmd.value = &fack;
|
|
}
|
|
break;
|
|
|
|
case CMD_SNAP_BUF_RELEASE:
|
|
break;
|
|
|
|
case CMD_STATS_BUF_RELEASE:{
|
|
CDBG("vfe_7x_config: CMD_STATS_BUF_RELEASE\n");
|
|
if (!data) {
|
|
rc = -EFAULT;
|
|
goto config_error;
|
|
}
|
|
|
|
sack.header = STATS_WE_ACK;
|
|
sack.bufaddr = (void *)*(uint32_t *) data;
|
|
|
|
vfecmd.queue = QDSP_CMDQUEUE;
|
|
vfecmd.length = sizeof(struct vfe_stats_ack);
|
|
vfecmd.value = &sack;
|
|
}
|
|
break;
|
|
|
|
case CMD_STATS_AF_BUF_RELEASE:{
|
|
CDBG("vfe_7x_config: CMD_STATS_AF_BUF_RELEASE\n");
|
|
if (!data) {
|
|
rc = -EFAULT;
|
|
goto config_error;
|
|
}
|
|
|
|
sack.header = STATS_AF_ACK;
|
|
sack.bufaddr = (void *)*(uint32_t *) data;
|
|
|
|
vfecmd.queue = QDSP_CMDQUEUE;
|
|
vfecmd.length = sizeof(struct vfe_stats_ack);
|
|
vfecmd.value = &sack;
|
|
}
|
|
break;
|
|
|
|
case CMD_GENERAL:
|
|
case CMD_STATS_DISABLE:{
|
|
uint8_t buf[256];
|
|
void *tmp = buf;
|
|
if (vfecmd.length > sizeof(buf)) {
|
|
cmd_data_alloc = tmp =
|
|
kmalloc(vfecmd.length, GFP_ATOMIC);
|
|
if (!cmd_data_alloc) {
|
|
rc = -ENOMEM;
|
|
goto config_error;
|
|
}
|
|
}
|
|
|
|
if (copy_from_user(tmp,
|
|
(void __user *)(vfecmd.value),
|
|
vfecmd.length)) {
|
|
rc = -EFAULT;
|
|
goto config_error;
|
|
}
|
|
vfecmd.value = tmp;
|
|
|
|
if (vfecmd.queue == QDSP_CMDQUEUE) {
|
|
switch (*(uint32_t *) vfecmd.value) {
|
|
case VFE_RESET_CMD:
|
|
msm_camio_vfe_blk_reset();
|
|
msm_camio_camif_pad_reg_reset_2();
|
|
vfestopped = 0;
|
|
break;
|
|
|
|
case VFE_START_CMD:
|
|
msm_camio_camif_pad_reg_reset_2();
|
|
vfestopped = 0;
|
|
break;
|
|
|
|
case VFE_STOP_CMD:
|
|
vfestopped = 1;
|
|
goto config_send;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
} /* QDSP_CMDQUEUE */
|
|
}
|
|
break;
|
|
|
|
case CMD_AXI_CFG_OUT1:{
|
|
axid = data;
|
|
if (!axid) {
|
|
rc = -EFAULT;
|
|
goto config_error;
|
|
}
|
|
|
|
if (copy_from_user(&axio, (void *)(vfecmd.value),
|
|
sizeof(axio))) {
|
|
rc = -EFAULT;
|
|
goto config_error;
|
|
}
|
|
|
|
vfe_7x_config_axi(OUTPUT_1, axid, &axio);
|
|
|
|
vfecmd.value = &axio;
|
|
}
|
|
break;
|
|
|
|
case CMD_AXI_CFG_OUT2:
|
|
case CMD_RAW_PICT_AXI_CFG:{
|
|
axid = data;
|
|
if (!axid) {
|
|
rc = -EFAULT;
|
|
goto config_error;
|
|
}
|
|
|
|
if (copy_from_user(&axio, (void __user *)(vfecmd.value),
|
|
sizeof(axio))) {
|
|
rc = -EFAULT;
|
|
goto config_error;
|
|
}
|
|
|
|
vfe_7x_config_axi(OUTPUT_2, axid, &axio);
|
|
vfecmd.value = &axio;
|
|
}
|
|
break;
|
|
|
|
case CMD_AXI_CFG_SNAP_O1_AND_O2:{
|
|
axid = data;
|
|
if (!axid) {
|
|
rc = -EFAULT;
|
|
goto config_error;
|
|
}
|
|
|
|
if (copy_from_user(&axio, (void __user *)(vfecmd.value),
|
|
sizeof(axio))) {
|
|
rc = -EFAULT;
|
|
goto config_error;
|
|
}
|
|
|
|
vfe_7x_config_axi(OUTPUT_1_AND_2, axid, &axio);
|
|
|
|
vfecmd.value = &axio;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
} /* switch */
|
|
|
|
if (vfestopped)
|
|
goto config_error;
|
|
|
|
config_send:
|
|
CDBG("send adsp command = %d\n", *(uint32_t *)vfecmd.value);
|
|
rc = msm_adsp_write(vfe_mod, vfecmd.queue, vfecmd.value, vfecmd.length);
|
|
|
|
config_error:
|
|
kfree(cmd_data_alloc);
|
|
return rc;
|
|
}
|
|
|
|
void msm_camvfe_fn_init(struct msm_camvfe_fn *fptr, void *data)
|
|
{
|
|
mutex_init(&vfe_lock);
|
|
fptr->vfe_init = vfe_7x_init;
|
|
fptr->vfe_enable = vfe_7x_enable;
|
|
fptr->vfe_config = vfe_7x_config;
|
|
fptr->vfe_disable = vfe_7x_disable;
|
|
fptr->vfe_release = vfe_7x_release;
|
|
vfe_syncdata = data;
|
|
}
|