--- /dev/null
+/* linux/drivers/video/fbdev/exynos/dpu/dqe_common.h
+ *
+ * Copyright (c) 2016 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * 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.
+ */
+
+#ifndef __SAMSUNG_DQE_H__
+#define __SAMSUNG_DQE_H__
+
+#include "decon.h"
+#if defined(CONFIG_SOC_EXYNOS9610)
+#include "./cal_9610/regs-dqe.h"
+#endif
+
+#define dqe_err(fmt, ...) \
+ do { \
+ if (dqe_log_level >= 3) { \
+ pr_err(pr_fmt(fmt), ##__VA_ARGS__); \
+ } \
+ } while (0)
+
+#define dqe_warn(fmt, ...) \
+ do { \
+ if (dqe_log_level >= 4) { \
+ pr_warn(pr_fmt(fmt), ##__VA_ARGS__); \
+ } \
+ } while (0)
+
+#define dqe_info(fmt, ...) \
+ do { \
+ if (dqe_log_level >= 6) \
+ pr_info(pr_fmt(fmt), ##__VA_ARGS__); \
+ } while (0)
+
+#define dqe_dbg(fmt, ...) \
+ do { \
+ if (dqe_log_level >= 7) \
+ pr_info(pr_fmt(fmt), ##__VA_ARGS__); \
+ } while (0)
+
+static inline u32 dqe_read(u32 reg_id)
+{
+ struct decon_device *decon = get_decon_drvdata(0);
+
+ return readl(decon->res.regs + DQE_BASE + reg_id);
+}
+
+static inline u32 dqe_read_mask(u32 reg_id, u32 mask)
+{
+ u32 val = dqe_read(reg_id);
+
+ val &= (mask);
+ return val;
+}
+
+static inline void dqe_write(u32 reg_id, u32 val)
+{
+ struct decon_device *decon = get_decon_drvdata(0);
+
+ writel(val, decon->res.regs + DQE_BASE + reg_id);
+}
+
+static inline void dqe_write_mask(u32 reg_id, u32 val, u32 mask)
+{
+ struct decon_device *decon = get_decon_drvdata(0);
+ u32 old = dqe_read(reg_id);
+
+ val = (val & mask) | (old & ~mask);
+ writel(val, decon->res.regs + DQE_BASE + reg_id);
+}
+
+struct dqe_reg_dump {
+ u32 addr;
+ u32 val;
+};
+
+struct dqe_ctx {
+ struct dqe_reg_dump cgc[DQECGCLUT_MAX];
+ struct dqe_reg_dump gamma[DQEGAMMALUT_MAX];
+ struct dqe_reg_dump hsc[DQEHSCLUT_MAX];
+ u32 cgc_on;
+ u32 gamma_on;
+ u32 hsc_on;
+ u32 hsc_control;
+ bool need_udpate;
+};
+
+struct dqe_device {
+ struct device *dev;
+ struct decon_device *decon;
+ struct mutex lock;
+ struct dqe_ctx ctx;
+};
+
+/* CAL APIs list */
+void dqe_reg_module_on_off(bool en_she, bool en_cgc, bool en_gamma,
+ bool en_hsc, bool en_aps);
+void dqe_reg_module_reset(bool en_hsc, bool en_aps, bool en_rst);
+void dqe_reg_start(u32 id, struct decon_lcd *lcd_info);
+void dqe_reg_stop(u32 id);
+
+void dqe_reg_set_she_on(u32 on);
+void dqe_reg_set_cgc_on(u32 on);
+u32 dqe_reg_get_cgc_on(void);
+void dqe_reg_set_gamma_on(u32 on);
+u32 dqe_reg_get_gamma_on(void);
+void dqe_reg_set_hsc_on(u32 on);
+u32 dqe_reg_get_hsc_on(void);
+void dqe_reg_set_hsc_pphc_on(u32 on);
+void dqe_reg_set_hsc_ppsc_on(u32 on);
+void dqe_reg_set_hsc_control_all_reset(void);
+u32 dqe_reg_get_hsc_control(void);
+void dqe_reg_set_aps_on(u32 on);
+void dqe_reg_hsc_sw_reset(u32 en);
+void dqe_reg_aps_sw_reset(u32 en);
+void dqe_reg_reset(u32 en);
+void dqe_reg_set_gammagray_on(u32 on);
+void dqe_reg_lpd_mode_exit(u32 en);
+
+void dqe_reg_module_on_off(bool en_she, bool en_cgc, bool en_gamma,
+ bool en_hsc, bool en_aps);
+void dqe_reg_module_reset(bool en_hsc, bool en_aps, bool en_rst);
+
+void dqe_reg_set_img_size0(u32 width, u32 height);
+void dqe_reg_set_img_size1(u32 width, u32 height);
+void dqe_reg_set_img_size2(u32 width, u32 height);
+
+/* DQE_HSC register set */
+void dqe_reg_set_hsc_ppsc_on(u32 en);
+void dqe_reg_set_hsc_ycomp_on(u32 en);
+void dqe_reg_set_hsc_tsc_on(u32 en);
+void dqe_reg_set_hsc_dither_on(u32 en);
+void dqe_reg_set_hsc_pphc_on(u32 en);
+void dqe_reg_set_hsc_skin_on(u32 en);
+void dqe_reg_set_hsc_ppscgain_rgb(u32 r, u32 g, u32 b);
+void dqe_reg_set_hsc_ppsc_gain_cmy(u32 c, u32 m, u32 y);
+void dqe_reg_set_hsc_alphascale_shift(u32 alpha_shift1, u32 alpha_shift2,
+ u32 alpha_scale);
+void dqe_reg_set_hsc_poly_curve0(u32 curve1, u32 curve2, u32 curve3, u32 curve4);
+void dqe_reg_set_hsc_poly_curve1(u32 curve5, u32 curve6, u32 curve7, u32 curve8);
+void dqe_reg_set_hsc_skin(u32 skin_h1, u32 skin_h2, u32 skin_s1, u32 skin_s2);
+void dqe_reg_set_hsc_pphcgain_rgb(u32 r, u32 g, u32 b);
+void dqe_reg_set_hsc_pphcgain_cmy(u32 c, u32 m, u32 y);
+void dqe_reg_set_hsc_tsc_ycomp(u32 ratio, u32 gain);
+
+void decon_dqe_enable(struct decon_device *decon);
+void decon_dqe_disable(struct decon_device *decon);
+int decon_dqe_create_interface(struct decon_device *decon);
+
+#endif
--- /dev/null
+/*
+ * Copyright (c) 2016 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * Samsung EXYNOS SoC series DQE driver
+ *
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/sysfs.h>
+#include <linux/stat.h>
+#include <linux/device.h>
+#include <linux/fs.h>
+
+#include "dqe.h"
+#include "decon.h"
+#if defined(CONFIG_SOC_EXYNOS9610)
+#include "./cal_9610/regs-dqe.h"
+#endif
+
+struct dqe_device *dqe_drvdata;
+struct class *dqe_class;
+
+u32 gamma_lut[3][65];
+u32 cgc_lut[8][3];
+u32 hsc_lut[2][6];
+
+int dqe_log_level = 6;
+module_param(dqe_log_level, int, 0644);
+
+static void dqe_load_context(void)
+{
+ int i;
+ struct dqe_device *dqe = dqe_drvdata;
+
+ dqe_info("%s\n", __func__);
+
+ for (i = 0; i < DQECGCLUT_MAX; i++) {
+ dqe->ctx.cgc[i].addr = DQECGC1_RGB_BASE + (i * 4);
+ dqe->ctx.cgc[i].val = dqe_read(dqe->ctx.cgc[i].addr);
+ }
+
+ for (i = 0; i < DQEGAMMALUT_MAX; i++) {
+ dqe->ctx.gamma[i].addr = DQEGAMMALUT_X_Y_BASE + (i * 4);
+ dqe->ctx.gamma[i].val = dqe_read(dqe->ctx.gamma[i].addr);
+ }
+
+ for (i = 0; i < DQEHSCLUT_MAX - 1; i++) {
+ dqe->ctx.hsc[i].addr = DQEHSCLUT_BASE + (i * 4);
+ dqe->ctx.hsc[i].val = dqe_read(dqe->ctx.hsc[i].addr);
+ }
+ dqe->ctx.hsc[DQEHSCLUT_MAX - 1].addr = DQEHSC_SKIN_H;
+ dqe->ctx.hsc[DQEHSCLUT_MAX - 1].val = dqe_read(dqe->ctx.hsc[DQEHSCLUT_MAX - 1].addr);
+
+ for (i = 0; i < DQECGCLUT_MAX; i++) {
+ dqe_dbg("0x%04x %d %d %d",
+ dqe->ctx.cgc[i].addr,
+ DQECGCLUT_R_GET(dqe->ctx.cgc[i].val),
+ DQECGCLUT_G_GET(dqe->ctx.cgc[i].val),
+ DQECGCLUT_B_GET(dqe->ctx.cgc[i].val));
+ }
+
+ for (i = 0; i < DQEGAMMALUT_MAX; i++) {
+ dqe_dbg("0x%04x %d %d ",
+ dqe->ctx.gamma[i].addr,
+ DQEGAMMALUT_X_GET(dqe->ctx.gamma[i].val),
+ DQEGAMMALUT_Y_GET(dqe->ctx.gamma[i].val));
+ }
+
+ for (i = 0; i < DQEHSCLUT_MAX; i++) {
+ dqe_dbg("0x%04x %08x ",
+ dqe->ctx.hsc[i].addr, dqe->ctx.hsc[i].val);
+ }
+}
+
+static void dqe_init_context(void)
+{
+ int i, j, k, val;
+ struct dqe_device *dqe = dqe_drvdata;
+
+ dqe_info("%s\n", __func__);
+
+ dqe->ctx.cgc[0].val = 0x0ff00000; /* DQECGC1_RED */
+ dqe->ctx.cgc[1].val = 0x0003fc00; /* DQECGC1_GREEN */
+ dqe->ctx.cgc[2].val = 0x000000ff; /* DQECGC1_BLUE */
+ dqe->ctx.cgc[3].val = 0x0003fcff; /* DQECGC1_CYAN */
+ dqe->ctx.cgc[4].val = 0x0ff000ff; /* DQECGC1_MAGENTA */
+ dqe->ctx.cgc[5].val = 0x0ff3fc00; /* DQECGC1_YELLOW */
+ dqe->ctx.cgc[6].val = 0x0ff3fcff; /* DQECGC1_WHITE */
+ dqe->ctx.cgc[7].val = 0x00000000; /* DQECGC1_BLACK */
+
+ /* DQEGAMMALUT_R_01_00 -- DQEGAMMALUT_B_64 */
+ for (j = 0, k = 0; j < 3; j++) {
+ val = 0;
+ for (i = 0; i < 64; i += 2) {
+ dqe->ctx.gamma[k++].val = (DQEGAMMALUT_X(val) | DQEGAMMALUT_Y(val + 4));
+ val += 8;
+ }
+ dqe->ctx.gamma[k++].val = DQEGAMMALUT_X(val);
+ }
+
+ dqe->ctx.hsc[0].val = 0x00000000; /* DQEHSC_PPSCGAIN_RGB */
+ dqe->ctx.hsc[1].val = 0x00000000; /* DQEHSC_PPSCGAIN_CMY */
+ dqe->ctx.hsc[2].val = 0x00007605; /* DQEHSC_ALPHASCALE_SHIF */
+ dqe->ctx.hsc[3].val = 0x0aa0780a; /* DQEHSC_POLY_CURVE0 */
+ dqe->ctx.hsc[4].val = 0x09b3c0e6; /* DQEHSC_POLY_CURVE1 */
+ dqe->ctx.hsc[5].val = 0x00ce0030; /* DQEHSC_SKIN_S */
+ dqe->ctx.hsc[6].val = 0x00000000; /* DQEHSC_PPHCGAIN_RGB */
+ dqe->ctx.hsc[7].val = 0x00000000; /* DQEHSC_PPHCGAIN_CMY */
+ dqe->ctx.hsc[8].val = 0x00007605; /* DQEHSC_TSC_YCOMP */
+ dqe->ctx.hsc[9].val = 0x00008046; /* DQEHSC_POLY_CURVE2 */
+ dqe->ctx.hsc[10].val = 0x0040000a; /* DQEHSC_SKIN_H */
+
+ dqe->ctx.cgc_on = 0;
+ dqe->ctx.gamma_on = 0;
+ dqe->ctx.hsc_on = 0;
+ dqe->ctx.hsc_control = 0;
+
+ dqe->ctx.need_udpate = true;
+}
+
+static int dqe_save_context(void)
+{
+ int i;
+ struct dqe_device *dqe = dqe_drvdata;
+
+ if (dqe->ctx.need_udpate)
+ return 0;
+
+ dqe_dbg("%s\n", __func__);
+
+ for (i = 0; i < DQECGCLUT_MAX; i++)
+ dqe->ctx.cgc[i].val =
+ dqe_read(dqe->ctx.cgc[i].addr);
+
+ dqe->ctx.cgc_on = dqe_reg_get_cgc_on();
+
+ for (i = 0; i < DQEGAMMALUT_MAX; i++)
+ dqe->ctx.gamma[i].val =
+ dqe_read(dqe->ctx.gamma[i].addr);
+
+ dqe->ctx.gamma_on = dqe_reg_get_gamma_on();
+
+ dqe->ctx.hsc[0].val = dqe_read(dqe->ctx.hsc[0].addr); /* DQEHSC_PPSCGAIN_RGB */
+ dqe->ctx.hsc[1].val = dqe_read(dqe->ctx.hsc[1].addr); /* DQEHSC_PPSCGAIN_CMY */
+ dqe->ctx.hsc[6].val = dqe_read(dqe->ctx.hsc[6].addr); /* DQEHSC_PPHCGAIN_RGB */
+ dqe->ctx.hsc[7].val = dqe_read(dqe->ctx.hsc[7].addr); /* DQEHSC_PPHCGAIN_CMY */
+
+ dqe->ctx.hsc_on = dqe_reg_get_hsc_on();
+ dqe->ctx.hsc_control = dqe_reg_get_hsc_control();
+
+ return 0;
+}
+
+static int dqe_restore_context(void)
+{
+ int i;
+ struct dqe_device *dqe = dqe_drvdata;
+
+ dqe_dbg("%s\n", __func__);
+
+ for (i = 0; i < DQECGCLUT_MAX; i++) {
+ dqe_write(dqe->ctx.cgc[i].addr,
+ dqe->ctx.cgc[i].val);
+ dqe_write(dqe->ctx.cgc[i].addr + 0x0400,
+ dqe->ctx.cgc[i].val);
+ }
+
+ if (dqe->ctx.cgc_on)
+ dqe_reg_set_cgc_on(1);
+
+ for (i = 0; i < DQEGAMMALUT_MAX; i++)
+ dqe_write(dqe->ctx.gamma[i].addr,
+ dqe->ctx.gamma[i].val);
+
+ if (dqe->ctx.gamma_on)
+ dqe_reg_set_gamma_on(1);
+
+ for (i = 0; i < DQEHSCLUT_MAX; i++)
+ dqe_write(dqe->ctx.hsc[i].addr,
+ dqe->ctx.hsc[i].val);
+
+ if (dqe->ctx.hsc_on) {
+ dqe_reg_set_hsc_control_all_reset();
+ dqe_reg_set_hsc_on(1);
+ if (dqe->ctx.hsc_control) {
+ dqe_reg_set_hsc_pphc_on(1);
+ dqe_reg_set_hsc_ppsc_on(1);
+ }
+ }
+
+ dqe->ctx.need_udpate = false;
+
+ return 0;
+}
+
+static void dqe_gamma_lut_set(void)
+{
+ int i, j, k;
+ struct dqe_device *dqe = dqe_drvdata;
+
+ for (j = 0, k = 0; j < 3; j++) {
+ for (i = 0; i < 64; i += 2) {
+ dqe->ctx.gamma[k++].val = (
+ DQEGAMMALUT_X(gamma_lut[j][i]) |
+ DQEGAMMALUT_Y(gamma_lut[j][i+1]));
+ }
+ dqe->ctx.gamma[k++].val =
+ DQEGAMMALUT_X(gamma_lut[j][64]);
+ }
+}
+
+static void dqe_cgc_lut_set(void)
+{
+ int i;
+ struct dqe_device *dqe = dqe_drvdata;
+
+ for (i = 0; i < 8; i++) {
+ dqe->ctx.cgc[i].val = (
+ DQECGCLUT_R(cgc_lut[i][0]) |
+ DQECGCLUT_G(cgc_lut[i][1]) |
+ DQECGCLUT_B(cgc_lut[i][2]));
+ }
+}
+
+static void dqe_hsc_lut_set(void)
+{
+ struct dqe_device *dqe = dqe_drvdata;
+
+ /* PPSCGAIN_RGB */
+ dqe->ctx.hsc[0].val = (
+ DQEHSCLUT_R(hsc_lut[0][0]) | DQEHSCLUT_G(hsc_lut[0][1]) | DQEHSCLUT_B(hsc_lut[0][2]));
+ /* PPSCGAIN_CMY */
+ dqe->ctx.hsc[1].val = (
+ DQEHSCLUT_C(hsc_lut[0][3]) | DQEHSCLUT_M(hsc_lut[0][4]) | DQEHSCLUT_Y(hsc_lut[0][5]));
+ /* PPHCGAIN_RGB */
+ dqe->ctx.hsc[6].val = (
+ DQEHSCLUT_R(hsc_lut[1][0]) | DQEHSCLUT_G(hsc_lut[1][1]) | DQEHSCLUT_B(hsc_lut[1][2]));
+ /* PPHCGAIN_CMY */
+ dqe->ctx.hsc[7].val = (
+ DQEHSCLUT_C(hsc_lut[1][3]) | DQEHSCLUT_M(hsc_lut[1][4]) | DQEHSCLUT_Y(hsc_lut[1][5]));
+}
+
+static ssize_t decon_dqe_gamma_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ int i;
+ ssize_t count = 0;
+ struct dqe_device *dqe = dev_get_drvdata(dev);
+
+ dqe_info("%s\n", __func__);
+
+ mutex_lock(&dqe->lock);
+
+ for (i = 0; i < DQEGAMMALUT_MAX; i++) {
+ dqe_info("%d %d ",
+ DQEGAMMALUT_X_GET(dqe->ctx.gamma[i].val),
+ DQEGAMMALUT_Y_GET(dqe->ctx.gamma[i].val));
+ dqe_dbg("0x%04x %08x ",
+ dqe->ctx.gamma[i].addr, dqe->ctx.gamma[i].val);
+ }
+
+ mutex_unlock(&dqe->lock);
+
+ count = snprintf(buf, PAGE_SIZE, "gamma_on = %d\n", dqe->ctx.gamma_on);
+
+ return count;
+}
+
+static ssize_t decon_dqe_gamma_store(struct device *dev, struct device_attribute *attr,
+ const char *buffer, size_t count)
+{
+ int i, j, k;
+ int ret = 0;
+ char *head = NULL;
+ char *ptr = NULL;
+ struct dqe_device *dqe = dev_get_drvdata(dev);
+ struct decon_device *decon = get_decon_drvdata(0);
+
+ dqe_info("%s +\n", __func__);
+
+ mutex_lock(&dqe->lock);
+
+ if (count <= 0) {
+ dqe_err("gamma write count error\n");
+ ret = -1;
+ goto err;
+ }
+
+ if (decon) {
+ if ((decon->state == DECON_STATE_OFF) ||
+ (decon->state == DECON_STATE_INIT)) {
+ dqe_err("decon is not enabled!(%d)\n", decon->state);
+ ret = -1;
+ goto err;
+ }
+ } else {
+ dqe_err("decon is NULL!\n");
+ ret = -1;
+ goto err;
+ }
+
+ head = (char *)buffer;
+ if (*head != 0) {
+ dqe_dbg("%s\n", head);
+ for (i = 0; i < 3; i++) {
+ k = (i == 2) ? 64 : 65;
+ for (j = 0; j < k; j++) {
+ ptr = strchr(head, ',');
+ if (ptr == NULL) {
+ dqe_err("not found comma.(%d, %d)\n", i, j);
+ ret = -EINVAL;
+ goto err;
+ }
+ *ptr = 0;
+ ret = kstrtou32(head, 0, &gamma_lut[i][j]);
+ if (ret) {
+ dqe_err("strtou32(%d, %d) error.\n", i, j);
+ ret = -EINVAL;
+ goto err;
+ }
+ head = ptr + 1;
+ }
+ }
+ k = 0;
+ while (*(head + k) >= '0' && *(head + k) <= '9')
+ k++;
+ *(head + k) = 0;
+ ret = kstrtou32(head, 0, &gamma_lut[i-1][j]);
+ if (ret) {
+ dqe_err("strtou32(%d, %d) error.\n", i-1, j);
+ ret = -EINVAL;
+ goto err;
+ }
+ } else {
+ dqe_err("buffer is null.\n");
+ goto err;
+ }
+
+
+ for (i = 0; i < 3; i++)
+ for (j = 0; j < 65; j++)
+ dqe_dbg("%d ", gamma_lut[i][j]);
+
+ dqe_gamma_lut_set();
+
+ dqe->ctx.gamma_on = DQE_GAMMA_ON_MASK;
+ dqe->ctx.need_udpate = true;
+
+ dqe_restore_context();
+ decon_reg_update_req_dqe(decon->id);
+
+ mutex_unlock(&dqe->lock);
+
+ dqe_info("%s -\n", __func__);
+
+ return count;
+err:
+ mutex_unlock(&dqe->lock);
+
+ dqe_info("%s : err(%d)\n", __func__, ret);
+
+ return ret;
+}
+
+static DEVICE_ATTR(gamma, 0660,
+ decon_dqe_gamma_show,
+ decon_dqe_gamma_store);
+
+static ssize_t decon_dqe_cgc_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ int i;
+ ssize_t count = 0;
+ struct dqe_device *dqe = dev_get_drvdata(dev);
+
+ dqe_info("%s\n", __func__);
+
+ mutex_lock(&dqe->lock);
+
+ for (i = 0; i < DQECGCLUT_MAX; i++) {
+ dqe_info("%d %d %d ",
+ DQECGCLUT_R_GET(dqe->ctx.cgc[i].val),
+ DQECGCLUT_G_GET(dqe->ctx.cgc[i].val),
+ DQECGCLUT_B_GET(dqe->ctx.cgc[i].val));
+ dqe_dbg("0x%04x %08x",
+ dqe->ctx.cgc[i].addr, dqe->ctx.cgc[i].val);
+ }
+
+ mutex_unlock(&dqe->lock);
+
+ count = snprintf(buf, PAGE_SIZE, "cgc_on = %d\n", dqe->ctx.cgc_on);
+
+ return count;
+}
+
+static ssize_t decon_dqe_cgc_store(struct device *dev, struct device_attribute *attr,
+ const char *buffer, size_t count)
+{
+ int i, j, k;
+ int ret = 0;
+ char *head = NULL;
+ char *ptr = NULL;
+ struct dqe_device *dqe = dev_get_drvdata(dev);
+ struct decon_device *decon = get_decon_drvdata(0);
+
+ dqe_info("%s +\n", __func__);
+
+ mutex_lock(&dqe->lock);
+
+ if (count <= 0) {
+ dqe_err("cgc write count error\n");
+ ret = -1;
+ goto err;
+ }
+
+ if (decon) {
+ if ((decon->state == DECON_STATE_OFF) ||
+ (decon->state == DECON_STATE_INIT)) {
+ dqe_err("decon is not enabled!(%d)\n", decon->state);
+ ret = -1;
+ goto err;
+ }
+ } else {
+ dqe_err("decon is NULL!\n");
+ ret = -1;
+ goto err;
+ }
+
+ head = (char *)buffer;
+ if (*head != 0) {
+ dqe_dbg("%s\n", head);
+ for (i = 0; i < 8; i++) {
+ k = (i == 7) ? 2 : 3;
+ for (j = 0; j < k; j++) {
+ ptr = strchr(head, ',');
+ if (ptr == NULL) {
+ dqe_err("not found comma.(%d, %d)\n", i, j);
+ ret = -EINVAL;
+ goto err;
+ }
+ *ptr = 0;
+ ret = kstrtou32(head, 0, &cgc_lut[i][j]);
+ if (ret) {
+ dqe_err("strtou32(%d, %d) error.\n", i, j);
+ ret = -EINVAL;
+ goto err;
+ }
+ head = ptr + 1;
+ }
+ }
+ k = 0;
+ while (*(head + k) >= '0' && *(head + k) <= '9')
+ k++;
+ *(head + k) = 0;
+ ret = kstrtou32(head, 0, &cgc_lut[i-1][j]);
+ if (ret) {
+ dqe_err("strtou32(%d, %d) error.\n", i-1, j);
+ ret = -EINVAL;
+ goto err;
+ }
+ } else {
+ dqe_err("buffer is null.\n");
+ goto err;
+ }
+
+ for (i = 0; i < 8; i++)
+ for (j = 0; j < 3; j++)
+ dqe_dbg("%d ", cgc_lut[i][j]);
+
+ dqe_cgc_lut_set();
+
+ dqe->ctx.cgc_on = DQE_CGC_ON_MASK;
+ dqe->ctx.need_udpate = true;
+
+ dqe_restore_context();
+ decon_reg_update_req_dqe(decon->id);
+
+ mutex_unlock(&dqe->lock);
+
+ dqe_info("%s -\n", __func__);
+
+ return count;
+err:
+ mutex_unlock(&dqe->lock);
+
+ dqe_info("%s : err(%d)\n", __func__, ret);
+
+ return ret;
+}
+
+static DEVICE_ATTR(cgc, 0660,
+ decon_dqe_cgc_show,
+ decon_dqe_cgc_store);
+
+static ssize_t decon_dqe_hsc_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ ssize_t count = 0;
+ struct dqe_device *dqe = dev_get_drvdata(dev);
+
+ dqe_info("%s\n", __func__);
+
+ mutex_lock(&dqe->lock);
+
+ dqe_info("%d %d %d %d %d %d",
+ DQEHSCLUT_R_GET(dqe->ctx.hsc[0].val),
+ DQEHSCLUT_G_GET(dqe->ctx.hsc[0].val),
+ DQEHSCLUT_B_GET(dqe->ctx.hsc[0].val),
+ DQEHSCLUT_C_GET(dqe->ctx.hsc[1].val),
+ DQEHSCLUT_M_GET(dqe->ctx.hsc[1].val),
+ DQEHSCLUT_Y_GET(dqe->ctx.hsc[1].val));
+
+ dqe_info("%d %d %d %d %d %d",
+ DQEHSCLUT_R_GET(dqe->ctx.hsc[6].val),
+ DQEHSCLUT_G_GET(dqe->ctx.hsc[6].val),
+ DQEHSCLUT_B_GET(dqe->ctx.hsc[6].val),
+ DQEHSCLUT_C_GET(dqe->ctx.hsc[7].val),
+ DQEHSCLUT_M_GET(dqe->ctx.hsc[7].val),
+ DQEHSCLUT_Y_GET(dqe->ctx.hsc[7].val));
+
+ mutex_unlock(&dqe->lock);
+
+ count = snprintf(buf, PAGE_SIZE, "hsc_on = %d\n", dqe->ctx.hsc_on);
+
+ return count;
+}
+
+static ssize_t decon_dqe_hsc_store(struct device *dev, struct device_attribute *attr,
+ const char *buffer, size_t count)
+{
+ int i, j, k;
+ int ret = 0;
+ char *head = NULL;
+ char *ptr = NULL;
+ struct dqe_device *dqe = dev_get_drvdata(dev);
+ struct decon_device *decon = get_decon_drvdata(0);
+
+ dqe_info("%s +\n", __func__);
+
+ mutex_lock(&dqe->lock);
+
+ if (count <= 0) {
+ dqe_err("hsc write count error\n");
+ ret = -1;
+ goto err;
+ }
+
+ if (decon) {
+ if ((decon->state == DECON_STATE_OFF) ||
+ (decon->state == DECON_STATE_INIT)) {
+ dqe_err("decon is not enabled!(%d)\n", decon->state);
+ ret = -1;
+ goto err;
+ }
+ } else {
+ dqe_err("decon is NULL!\n");
+ ret = -1;
+ goto err;
+ }
+
+ head = (char *)buffer;
+ if (*head != 0) {
+ dqe_dbg("%s\n", head);
+ for (i = 0; i < 2; i++) {
+ k = (i == 1) ? 5 : 6;
+ for (j = 0; j < k; j++) {
+ ptr = strchr(head, ',');
+ if (ptr == NULL) {
+ dqe_err("not found comma.(%d, %d)\n", i, j);
+ ret = -EINVAL;
+ goto err;
+ }
+ *ptr = 0;
+ ret = kstrtou32(head, 0, &hsc_lut[i][j]);
+ if (ret) {
+ dqe_err("strtou32(%d, %d) error.\n", i, j);
+ ret = -EINVAL;
+ goto err;
+ }
+ head = ptr + 1;
+ }
+ }
+ k = 0;
+ while (*(head + k) >= '0' && *(head + k) <= '9')
+ k++;
+ *(head + k) = 0;
+ ret = kstrtou32(head, 0, &hsc_lut[i-1][j]);
+ if (ret) {
+ dqe_err("strtou32(%d, %d) error.\n", i-1, j);
+ ret = -EINVAL;
+ goto err;
+ }
+ } else {
+ dqe_err("buffer is null.\n");
+ goto err;
+ }
+
+ for (i = 0; i < 2; i++)
+ for (j = 0; j < 6; j++)
+ dqe_dbg("%d ", hsc_lut[i][j]);
+
+ dqe_hsc_lut_set();
+
+ dqe->ctx.hsc_on = DQE_HSC_ON_MASK;
+ dqe->ctx.hsc_control = (HSC_PPSC_ON_MASK | HSC_PPHC_ON_MASK);
+ dqe->ctx.need_udpate = true;
+
+ dqe_restore_context();
+ decon_reg_update_req_dqe(decon->id);
+
+ mutex_unlock(&dqe->lock);
+
+ dqe_info("%s -\n", __func__);
+
+ return count;
+err:
+ mutex_unlock(&dqe->lock);
+
+ dqe_info("%s : err(%d)\n", __func__, ret);
+
+ return ret;
+}
+
+static DEVICE_ATTR(hsc, 0660,
+ decon_dqe_hsc_show,
+ decon_dqe_hsc_store);
+
+static struct attribute *dqe_attrs[] = {
+ &dev_attr_gamma.attr,
+ &dev_attr_cgc.attr,
+ &dev_attr_hsc.attr,
+ NULL,
+};
+ATTRIBUTE_GROUPS(dqe);
+
+void decon_dqe_enable(struct decon_device *decon)
+{
+ u32 val;
+
+ if (decon->id)
+ return;
+
+ dqe_dbg("%s\n", __func__);
+
+ dqe_restore_context();
+ dqe_reg_start(decon->id, decon->lcd_info);
+
+ val = dqe_read(DQECON);
+ dqe_info("dqe gamma:%d cgc:%d hsc:%d\n",
+ DQE_GAMMA_ON_GET(val),
+ DQE_CGC_ON_GET(val),
+ DQE_HSC_ON_GET(val));
+}
+
+void decon_dqe_disable(struct decon_device *decon)
+{
+ if (decon->id)
+ return;
+
+ dqe_dbg("%s\n", __func__);
+
+ dqe_save_context();
+ dqe_reg_stop(decon->id);
+}
+
+int decon_dqe_create_interface(struct decon_device *decon)
+{
+ int ret = 0;
+ struct dqe_device *dqe;
+
+ if (decon->id || (decon->dt.out_type != DECON_OUT_DSI)) {
+ dqe_info("decon%d doesn't need dqe interface\n", decon->id);
+ return 0;
+ }
+
+ dqe = kzalloc(sizeof(struct dqe_device), GFP_KERNEL);
+ if (!dqe) {
+ ret = -ENOMEM;
+ goto exit0;
+ }
+
+ dqe_drvdata = dqe;
+ dqe->decon = decon;
+
+ if (IS_ERR_OR_NULL(dqe_class)) {
+ dqe_class = class_create(THIS_MODULE, "dqe");
+ if (IS_ERR_OR_NULL(dqe_class)) {
+ pr_err("failed to create dqe class\n");
+ ret = -EINVAL;
+ goto exit1;
+ }
+
+ dqe_class->dev_groups = dqe_groups;
+ }
+
+ dqe->dev = device_create(dqe_class, decon->dev, 0,
+ &dqe, "dqe", 0);
+ if (IS_ERR_OR_NULL(dqe->dev)) {
+ pr_err("failed to create dqe device\n");
+ ret = -EINVAL;
+ goto exit2;
+ }
+
+ mutex_init(&dqe->lock);
+ dev_set_drvdata(dqe->dev, dqe);
+
+ dqe_load_context();
+
+ dqe_init_context();
+
+ dqe_info("decon_dqe_create_interface done.\n");
+
+ return ret;
+exit2:
+ class_destroy(dqe_class);
+exit1:
+ kfree(dqe);
+exit0:
+ return ret;
+}
projects / GitHub / LineageOS / android_kernel_motorola_exynos9610.git / commitdiff