Revert "pxa_lcd: invert colors for Zipit Z2 to get white on black palette"

[J-u-boot.git] / drivers / video / exynos_mipi_dsi_common.c

diff --git a/drivers/video/exynos_mipi_dsi_common.c b/drivers/video/exynos_mipi_dsi_common.c
index 6eeb46424fdcd4c39cab932c323ac713c843ae9f..925d51500a5a500e948f0e45be97a0e820d35909 100644 (file)
--- a/drivers/video/exynos_mipi_dsi_common.c
+++ b/drivers/video/exynos_mipi_dsi_common.c
@@ -4,20 +4,7 @@
  * Author: InKi Dae <[email protected]>
  * Author: Donghwa Lee <[email protected]>
  *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * 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., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
@@ -63,7 +50,7 @@ static unsigned int dpll_table[15] = {
 };
 
 static void exynos_mipi_dsi_long_data_wr(struct mipi_dsim_device *dsim,
-               unsigned int data0, unsigned int data1)
+               const unsigned char *data0, unsigned int data1)
 {
        unsigned int data_cnt = 0, payload = 0;
 
@@ -75,42 +62,40 @@ static void exynos_mipi_dsi_long_data_wr(struct mipi_dsim_device *dsim,
                 */
                if ((data1 - data_cnt) < 4) {
                        if ((data1 - data_cnt) == 3) {
-                               payload = *(u8 *)(data0 + data_cnt) |
-                                       (*(u8 *)(data0 + (data_cnt + 1))) << 8 |
-                                       (*(u8 *)(data0 + (data_cnt + 2))) << 16;
+                               payload = data0[data_cnt] |
+                                       data0[data_cnt + 1] << 8 |
+                                       data0[data_cnt + 2] << 16;
                        debug("count = 3 payload = %x, %x %x %x\n",
-                               payload, *(u8 *)(data0 + data_cnt),
-                               *(u8 *)(data0 + (data_cnt + 1)),
-                               *(u8 *)(data0 + (data_cnt + 2)));
+                               payload, data0[data_cnt],
+                               data0[data_cnt + 1],
+                               data0[data_cnt + 2]);
                        } else if ((data1 - data_cnt) == 2) {
-                               payload = *(u8 *)(data0 + data_cnt) |
-                                       (*(u8 *)(data0 + (data_cnt + 1))) << 8;
+                               payload = data0[data_cnt] |
+                                       data0[data_cnt + 1] << 8;
                        debug("count = 2 payload = %x, %x %x\n", payload,
-                               *(u8 *)(data0 + data_cnt),
-                               *(u8 *)(data0 + (data_cnt + 1)));
+                               data0[data_cnt], data0[data_cnt + 1]);
                        } else if ((data1 - data_cnt) == 1) {
-                               payload = *(u8 *)(data0 + data_cnt);
+                               payload = data0[data_cnt];
                        }
                } else {
                        /* send 4bytes per one time. */
-                       payload = *(u8 *)(data0 + data_cnt) |
-                               (*(u8 *)(data0 + (data_cnt + 1))) << 8 |
-                               (*(u8 *)(data0 + (data_cnt + 2))) << 16 |
-                               (*(u8 *)(data0 + (data_cnt + 3))) << 24;
+                       payload = data0[data_cnt] |
+                               data0[data_cnt + 1] << 8 |
+                               data0[data_cnt + 2] << 16 |
+                               data0[data_cnt + 3] << 24;
 
                        debug("count = 4 payload = %x, %x %x %x %x\n",
                                payload, *(u8 *)(data0 + data_cnt),
-                               *(u8 *)(data0 + (data_cnt + 1)),
-                               *(u8 *)(data0 + (data_cnt + 2)),
-                               *(u8 *)(data0 + (data_cnt + 3)));
-
+                               data0[data_cnt + 1],
+                               data0[data_cnt + 2],
+                               data0[data_cnt + 3]);
                }
                exynos_mipi_dsi_wr_tx_data(dsim, payload);
        }
 }
 
 int exynos_mipi_dsi_wr_data(struct mipi_dsim_device *dsim, unsigned int data_id,
-       unsigned int data0, unsigned int data1)
+       const unsigned char *data0, unsigned int data1)
 {
        unsigned int timeout = TRY_GET_FIFO_TIMEOUT;
        unsigned long delay_val, delay;
@@ -149,8 +134,8 @@ int exynos_mipi_dsi_wr_data(struct mipi_dsim_device *dsim, unsigned int data_id,
        case MIPI_DSI_DCS_SHORT_WRITE_PARAM:
        case MIPI_DSI_SET_MAXIMUM_RETURN_PACKET_SIZE:
                debug("data0 = %x data1 = %x\n",
-                               data0, data1);
-               exynos_mipi_dsi_wr_tx_header(dsim, data_id, data0, data1);
+                               data0[0], data0[1]);
+               exynos_mipi_dsi_wr_tx_header(dsim, data_id, data0[0], data0[1]);
                if (check_rx_ack) {
                        /* process response func should be implemented */
                        return 0;
@@ -163,7 +148,7 @@ int exynos_mipi_dsi_wr_data(struct mipi_dsim_device *dsim, unsigned int data_id,
        case MIPI_DSI_COLOR_MODE_ON:
        case MIPI_DSI_SHUTDOWN_PERIPHERAL:
        case MIPI_DSI_TURN_ON_PERIPHERAL:
-               exynos_mipi_dsi_wr_tx_header(dsim, data_id, data0, data1);
+               exynos_mipi_dsi_wr_tx_header(dsim, data_id, data0[0], data0[1]);
                if (check_rx_ack) {
                        /* process response func should be implemented. */
                        return 0;
@@ -185,7 +170,7 @@ int exynos_mipi_dsi_wr_data(struct mipi_dsim_device *dsim, unsigned int data_id,
        case MIPI_DSI_GENERIC_READ_REQUEST_2_PARAM:
        case MIPI_DSI_DCS_READ:
                exynos_mipi_dsi_clear_all_interrupt(dsim);
-               exynos_mipi_dsi_wr_tx_header(dsim, data_id, data0, data1);
+               exynos_mipi_dsi_wr_tx_header(dsim, data_id, data0[0], data0[1]);
                /* process response func should be implemented. */
                return 0;
 
@@ -196,21 +181,19 @@ int exynos_mipi_dsi_wr_data(struct mipi_dsim_device *dsim, unsigned int data_id,
        case MIPI_DSI_GENERIC_LONG_WRITE:
        case MIPI_DSI_DCS_LONG_WRITE:
        {
-               unsigned int data_cnt = 0, payload = 0;
+               unsigned int payload = 0;
 
                /* if data count is less then 4, then send 3bytes data.  */
                if (data1 < 4) {
-                       payload = *(u8 *)(data0) |
-                               *(u8 *)(data0 + 1) << 8 |
-                               *(u8 *)(data0 + 2) << 16;
+                       payload = data0[0] |
+                               data0[1] << 8 |
+                               data0[2] << 16;
 
                        exynos_mipi_dsi_wr_tx_data(dsim, payload);
 
                        debug("count = %d payload = %x,%x %x %x\n",
-                               data1, payload,
-                               *(u8 *)(data0 + data_cnt),
-                               *(u8 *)(data0 + (data_cnt + 1)),
-                               *(u8 *)(data0 + (data_cnt + 2)));
+                               data1, payload, data0[0],
+                               data0[1], data0[2]);
                } else {
                        /* in case that data count is more then 4 */
                        exynos_mipi_dsi_long_data_wr(dsim, data0, data1);