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path: root/drivers/media/video/omap3isp/isph3a_af.c
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Diffstat (limited to 'drivers/media/video/omap3isp/isph3a_af.c')
-rw-r--r--drivers/media/video/omap3isp/isph3a_af.c429
1 files changed, 0 insertions, 429 deletions
diff --git a/drivers/media/video/omap3isp/isph3a_af.c b/drivers/media/video/omap3isp/isph3a_af.c
deleted file mode 100644
index 58e0bc414899..000000000000
--- a/drivers/media/video/omap3isp/isph3a_af.c
+++ /dev/null
@@ -1,429 +0,0 @@
-/*
- * isph3a_af.c
- *
- * TI OMAP3 ISP - H3A AF module
- *
- * Copyright (C) 2010 Nokia Corporation
- * Copyright (C) 2009 Texas Instruments, Inc.
- *
- * Contacts: David Cohen <dacohen@gmail.com>
- * Laurent Pinchart <laurent.pinchart@ideasonboard.com>
- * Sakari Ailus <sakari.ailus@iki.fi>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * 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., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA
- */
-
-/* Linux specific include files */
-#include <linux/device.h>
-#include <linux/slab.h>
-
-#include "isp.h"
-#include "isph3a.h"
-#include "ispstat.h"
-
-#define IS_OUT_OF_BOUNDS(value, min, max) \
- (((value) < (min)) || ((value) > (max)))
-
-static void h3a_af_setup_regs(struct ispstat *af, void *priv)
-{
- struct omap3isp_h3a_af_config *conf = priv;
- u32 pcr;
- u32 pax1;
- u32 pax2;
- u32 paxstart;
- u32 coef;
- u32 base_coef_set0;
- u32 base_coef_set1;
- int index;
-
- if (af->state == ISPSTAT_DISABLED)
- return;
-
- isp_reg_writel(af->isp, af->active_buf->iommu_addr, OMAP3_ISP_IOMEM_H3A,
- ISPH3A_AFBUFST);
-
- if (!af->update)
- return;
-
- /* Configure Hardware Registers */
- pax1 = ((conf->paxel.width >> 1) - 1) << AF_PAXW_SHIFT;
- /* Set height in AFPAX1 */
- pax1 |= (conf->paxel.height >> 1) - 1;
- isp_reg_writel(af->isp, pax1, OMAP3_ISP_IOMEM_H3A, ISPH3A_AFPAX1);
-
- /* Configure AFPAX2 Register */
- /* Set Line Increment in AFPAX2 Register */
- pax2 = ((conf->paxel.line_inc >> 1) - 1) << AF_LINE_INCR_SHIFT;
- /* Set Vertical Count */
- pax2 |= (conf->paxel.v_cnt - 1) << AF_VT_COUNT_SHIFT;
- /* Set Horizontal Count */
- pax2 |= (conf->paxel.h_cnt - 1);
- isp_reg_writel(af->isp, pax2, OMAP3_ISP_IOMEM_H3A, ISPH3A_AFPAX2);
-
- /* Configure PAXSTART Register */
- /*Configure Horizontal Start */
- paxstart = conf->paxel.h_start << AF_HZ_START_SHIFT;
- /* Configure Vertical Start */
- paxstart |= conf->paxel.v_start;
- isp_reg_writel(af->isp, paxstart, OMAP3_ISP_IOMEM_H3A,
- ISPH3A_AFPAXSTART);
-
- /*SetIIRSH Register */
- isp_reg_writel(af->isp, conf->iir.h_start,
- OMAP3_ISP_IOMEM_H3A, ISPH3A_AFIIRSH);
-
- base_coef_set0 = ISPH3A_AFCOEF010;
- base_coef_set1 = ISPH3A_AFCOEF110;
- for (index = 0; index <= 8; index += 2) {
- /*Set IIR Filter0 Coefficients */
- coef = 0;
- coef |= conf->iir.coeff_set0[index];
- coef |= conf->iir.coeff_set0[index + 1] <<
- AF_COEF_SHIFT;
- isp_reg_writel(af->isp, coef, OMAP3_ISP_IOMEM_H3A,
- base_coef_set0);
- base_coef_set0 += AFCOEF_OFFSET;
-
- /*Set IIR Filter1 Coefficients */
- coef = 0;
- coef |= conf->iir.coeff_set1[index];
- coef |= conf->iir.coeff_set1[index + 1] <<
- AF_COEF_SHIFT;
- isp_reg_writel(af->isp, coef, OMAP3_ISP_IOMEM_H3A,
- base_coef_set1);
- base_coef_set1 += AFCOEF_OFFSET;
- }
- /* set AFCOEF0010 Register */
- isp_reg_writel(af->isp, conf->iir.coeff_set0[10],
- OMAP3_ISP_IOMEM_H3A, ISPH3A_AFCOEF0010);
- /* set AFCOEF1010 Register */
- isp_reg_writel(af->isp, conf->iir.coeff_set1[10],
- OMAP3_ISP_IOMEM_H3A, ISPH3A_AFCOEF1010);
-
- /* PCR Register */
- /* Set RGB Position */
- pcr = conf->rgb_pos << AF_RGBPOS_SHIFT;
- /* Set Accumulator Mode */
- if (conf->fvmode == OMAP3ISP_AF_MODE_PEAK)
- pcr |= AF_FVMODE;
- /* Set A-law */
- if (conf->alaw_enable)
- pcr |= AF_ALAW_EN;
- /* HMF Configurations */
- if (conf->hmf.enable) {
- /* Enable HMF */
- pcr |= AF_MED_EN;
- /* Set Median Threshold */
- pcr |= conf->hmf.threshold << AF_MED_TH_SHIFT;
- }
- /* Set PCR Register */
- isp_reg_clr_set(af->isp, OMAP3_ISP_IOMEM_H3A, ISPH3A_PCR,
- AF_PCR_MASK, pcr);
-
- af->update = 0;
- af->config_counter += af->inc_config;
- af->inc_config = 0;
- af->buf_size = conf->buf_size;
-}
-
-static void h3a_af_enable(struct ispstat *af, int enable)
-{
- if (enable) {
- isp_reg_set(af->isp, OMAP3_ISP_IOMEM_H3A, ISPH3A_PCR,
- ISPH3A_PCR_AF_EN);
- /* This bit is already set if AEWB is enabled */
- if (af->isp->isp_aewb.state != ISPSTAT_ENABLED)
- isp_reg_set(af->isp, OMAP3_ISP_IOMEM_MAIN, ISP_CTRL,
- ISPCTRL_H3A_CLK_EN);
- } else {
- isp_reg_clr(af->isp, OMAP3_ISP_IOMEM_H3A, ISPH3A_PCR,
- ISPH3A_PCR_AF_EN);
- /* This bit can't be cleared if AEWB is enabled */
- if (af->isp->isp_aewb.state != ISPSTAT_ENABLED)
- isp_reg_clr(af->isp, OMAP3_ISP_IOMEM_MAIN, ISP_CTRL,
- ISPCTRL_H3A_CLK_EN);
- }
-}
-
-static int h3a_af_busy(struct ispstat *af)
-{
- return isp_reg_readl(af->isp, OMAP3_ISP_IOMEM_H3A, ISPH3A_PCR)
- & ISPH3A_PCR_BUSYAF;
-}
-
-static u32 h3a_af_get_buf_size(struct omap3isp_h3a_af_config *conf)
-{
- return conf->paxel.h_cnt * conf->paxel.v_cnt * OMAP3ISP_AF_PAXEL_SIZE;
-}
-
-/* Function to check paxel parameters */
-static int h3a_af_validate_params(struct ispstat *af, void *new_conf)
-{
- struct omap3isp_h3a_af_config *user_cfg = new_conf;
- struct omap3isp_h3a_af_paxel *paxel_cfg = &user_cfg->paxel;
- struct omap3isp_h3a_af_iir *iir_cfg = &user_cfg->iir;
- int index;
- u32 buf_size;
-
- /* Check horizontal Count */
- if (IS_OUT_OF_BOUNDS(paxel_cfg->h_cnt,
- OMAP3ISP_AF_PAXEL_HORIZONTAL_COUNT_MIN,
- OMAP3ISP_AF_PAXEL_HORIZONTAL_COUNT_MAX))
- return -EINVAL;
-
- /* Check Vertical Count */
- if (IS_OUT_OF_BOUNDS(paxel_cfg->v_cnt,
- OMAP3ISP_AF_PAXEL_VERTICAL_COUNT_MIN,
- OMAP3ISP_AF_PAXEL_VERTICAL_COUNT_MAX))
- return -EINVAL;
-
- if (IS_OUT_OF_BOUNDS(paxel_cfg->height, OMAP3ISP_AF_PAXEL_HEIGHT_MIN,
- OMAP3ISP_AF_PAXEL_HEIGHT_MAX) ||
- paxel_cfg->height % 2)
- return -EINVAL;
-
- /* Check width */
- if (IS_OUT_OF_BOUNDS(paxel_cfg->width, OMAP3ISP_AF_PAXEL_WIDTH_MIN,
- OMAP3ISP_AF_PAXEL_WIDTH_MAX) ||
- paxel_cfg->width % 2)
- return -EINVAL;
-
- /* Check Line Increment */
- if (IS_OUT_OF_BOUNDS(paxel_cfg->line_inc,
- OMAP3ISP_AF_PAXEL_INCREMENT_MIN,
- OMAP3ISP_AF_PAXEL_INCREMENT_MAX) ||
- paxel_cfg->line_inc % 2)
- return -EINVAL;
-
- /* Check Horizontal Start */
- if ((paxel_cfg->h_start < iir_cfg->h_start) ||
- IS_OUT_OF_BOUNDS(paxel_cfg->h_start,
- OMAP3ISP_AF_PAXEL_HZSTART_MIN,
- OMAP3ISP_AF_PAXEL_HZSTART_MAX))
- return -EINVAL;
-
- /* Check IIR */
- for (index = 0; index < OMAP3ISP_AF_NUM_COEF; index++) {
- if ((iir_cfg->coeff_set0[index]) > OMAP3ISP_AF_COEF_MAX)
- return -EINVAL;
-
- if ((iir_cfg->coeff_set1[index]) > OMAP3ISP_AF_COEF_MAX)
- return -EINVAL;
- }
-
- if (IS_OUT_OF_BOUNDS(iir_cfg->h_start, OMAP3ISP_AF_IIRSH_MIN,
- OMAP3ISP_AF_IIRSH_MAX))
- return -EINVAL;
-
- /* Hack: If paxel size is 12, the 10th AF window may be corrupted */
- if ((paxel_cfg->h_cnt * paxel_cfg->v_cnt > 9) &&
- (paxel_cfg->width * paxel_cfg->height == 12))
- return -EINVAL;
-
- buf_size = h3a_af_get_buf_size(user_cfg);
- if (buf_size > user_cfg->buf_size)
- /* User buf_size request wasn't enough */
- user_cfg->buf_size = buf_size;
- else if (user_cfg->buf_size > OMAP3ISP_AF_MAX_BUF_SIZE)
- user_cfg->buf_size = OMAP3ISP_AF_MAX_BUF_SIZE;
-
- return 0;
-}
-
-/* Update local parameters */
-static void h3a_af_set_params(struct ispstat *af, void *new_conf)
-{
- struct omap3isp_h3a_af_config *user_cfg = new_conf;
- struct omap3isp_h3a_af_config *cur_cfg = af->priv;
- int update = 0;
- int index;
-
- /* alaw */
- if (cur_cfg->alaw_enable != user_cfg->alaw_enable) {
- update = 1;
- goto out;
- }
-
- /* hmf */
- if (cur_cfg->hmf.enable != user_cfg->hmf.enable) {
- update = 1;
- goto out;
- }
- if (cur_cfg->hmf.threshold != user_cfg->hmf.threshold) {
- update = 1;
- goto out;
- }
-
- /* rgbpos */
- if (cur_cfg->rgb_pos != user_cfg->rgb_pos) {
- update = 1;
- goto out;
- }
-
- /* iir */
- if (cur_cfg->iir.h_start != user_cfg->iir.h_start) {
- update = 1;
- goto out;
- }
- for (index = 0; index < OMAP3ISP_AF_NUM_COEF; index++) {
- if (cur_cfg->iir.coeff_set0[index] !=
- user_cfg->iir.coeff_set0[index]) {
- update = 1;
- goto out;
- }
- if (cur_cfg->iir.coeff_set1[index] !=
- user_cfg->iir.coeff_set1[index]) {
- update = 1;
- goto out;
- }
- }
-
- /* paxel */
- if ((cur_cfg->paxel.width != user_cfg->paxel.width) ||
- (cur_cfg->paxel.height != user_cfg->paxel.height) ||
- (cur_cfg->paxel.h_start != user_cfg->paxel.h_start) ||
- (cur_cfg->paxel.v_start != user_cfg->paxel.v_start) ||
- (cur_cfg->paxel.h_cnt != user_cfg->paxel.h_cnt) ||
- (cur_cfg->paxel.v_cnt != user_cfg->paxel.v_cnt) ||
- (cur_cfg->paxel.line_inc != user_cfg->paxel.line_inc)) {
- update = 1;
- goto out;
- }
-
- /* af_mode */
- if (cur_cfg->fvmode != user_cfg->fvmode)
- update = 1;
-
-out:
- if (update || !af->configured) {
- memcpy(cur_cfg, user_cfg, sizeof(*cur_cfg));
- af->inc_config++;
- af->update = 1;
- /*
- * User might be asked for a bigger buffer than necessary for
- * this configuration. In order to return the right amount of
- * data during buffer request, let's calculate the size here
- * instead of stick with user_cfg->buf_size.
- */
- cur_cfg->buf_size = h3a_af_get_buf_size(cur_cfg);
- }
-}
-
-static long h3a_af_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
-{
- struct ispstat *stat = v4l2_get_subdevdata(sd);
-
- switch (cmd) {
- case VIDIOC_OMAP3ISP_AF_CFG:
- return omap3isp_stat_config(stat, arg);
- case VIDIOC_OMAP3ISP_STAT_REQ:
- return omap3isp_stat_request_statistics(stat, arg);
- case VIDIOC_OMAP3ISP_STAT_EN: {
- int *en = arg;
- return omap3isp_stat_enable(stat, !!*en);
- }
- }
-
- return -ENOIOCTLCMD;
-
-}
-
-static const struct ispstat_ops h3a_af_ops = {
- .validate_params = h3a_af_validate_params,
- .set_params = h3a_af_set_params,
- .setup_regs = h3a_af_setup_regs,
- .enable = h3a_af_enable,
- .busy = h3a_af_busy,
-};
-
-static const struct v4l2_subdev_core_ops h3a_af_subdev_core_ops = {
- .ioctl = h3a_af_ioctl,
- .subscribe_event = omap3isp_stat_subscribe_event,
- .unsubscribe_event = omap3isp_stat_unsubscribe_event,
-};
-
-static const struct v4l2_subdev_video_ops h3a_af_subdev_video_ops = {
- .s_stream = omap3isp_stat_s_stream,
-};
-
-static const struct v4l2_subdev_ops h3a_af_subdev_ops = {
- .core = &h3a_af_subdev_core_ops,
- .video = &h3a_af_subdev_video_ops,
-};
-
-/* Function to register the AF character device driver. */
-int omap3isp_h3a_af_init(struct isp_device *isp)
-{
- struct ispstat *af = &isp->isp_af;
- struct omap3isp_h3a_af_config *af_cfg;
- struct omap3isp_h3a_af_config *af_recover_cfg;
- int ret;
-
- af_cfg = kzalloc(sizeof(*af_cfg), GFP_KERNEL);
- if (af_cfg == NULL)
- return -ENOMEM;
-
- memset(af, 0, sizeof(*af));
- af->ops = &h3a_af_ops;
- af->priv = af_cfg;
- af->dma_ch = -1;
- af->event_type = V4L2_EVENT_OMAP3ISP_AF;
- af->isp = isp;
-
- /* Set recover state configuration */
- af_recover_cfg = kzalloc(sizeof(*af_recover_cfg), GFP_KERNEL);
- if (!af_recover_cfg) {
- dev_err(af->isp->dev, "AF: cannot allocate memory for recover "
- "configuration.\n");
- ret = -ENOMEM;
- goto err_recover_alloc;
- }
-
- af_recover_cfg->paxel.h_start = OMAP3ISP_AF_PAXEL_HZSTART_MIN;
- af_recover_cfg->paxel.width = OMAP3ISP_AF_PAXEL_WIDTH_MIN;
- af_recover_cfg->paxel.height = OMAP3ISP_AF_PAXEL_HEIGHT_MIN;
- af_recover_cfg->paxel.h_cnt = OMAP3ISP_AF_PAXEL_HORIZONTAL_COUNT_MIN;
- af_recover_cfg->paxel.v_cnt = OMAP3ISP_AF_PAXEL_VERTICAL_COUNT_MIN;
- af_recover_cfg->paxel.line_inc = OMAP3ISP_AF_PAXEL_INCREMENT_MIN;
- if (h3a_af_validate_params(af, af_recover_cfg)) {
- dev_err(af->isp->dev, "AF: recover configuration is "
- "invalid.\n");
- ret = -EINVAL;
- goto err_conf;
- }
-
- af_recover_cfg->buf_size = h3a_af_get_buf_size(af_recover_cfg);
- af->recover_priv = af_recover_cfg;
-
- ret = omap3isp_stat_init(af, "AF", &h3a_af_subdev_ops);
- if (ret)
- goto err_conf;
-
- return 0;
-
-err_conf:
- kfree(af_recover_cfg);
-err_recover_alloc:
- kfree(af_cfg);
-
- return ret;
-}
-
-void omap3isp_h3a_af_cleanup(struct isp_device *isp)
-{
- kfree(isp->isp_af.priv);
- kfree(isp->isp_af.recover_priv);
- omap3isp_stat_cleanup(&isp->isp_af);
-}