From 7269b0a3f0b7e5f41ba65c7321fde9b8fd88c642 Mon Sep 17 00:00:00 2001
From: Uros Majstorovic <majstor@majstor.org>
Date: Sat, 15 Feb 2025 02:15:57 +0100
Subject: removed old (compulab) yocto directory

---
 .../rvphone/cl-imx8/sn65dsi83/sn65dsi83_brg.c      | 388 ---------------------
 1 file changed, 388 deletions(-)
 delete mode 100644 yocto/meta-bsp-rvphone/recipes-kernel/linux/rvphone/cl-imx8/sn65dsi83/sn65dsi83_brg.c

(limited to 'yocto/meta-bsp-rvphone/recipes-kernel/linux/rvphone/cl-imx8/sn65dsi83/sn65dsi83_brg.c')

diff --git a/yocto/meta-bsp-rvphone/recipes-kernel/linux/rvphone/cl-imx8/sn65dsi83/sn65dsi83_brg.c b/yocto/meta-bsp-rvphone/recipes-kernel/linux/rvphone/cl-imx8/sn65dsi83/sn65dsi83_brg.c
deleted file mode 100644
index f4a7713..0000000
--- a/yocto/meta-bsp-rvphone/recipes-kernel/linux/rvphone/cl-imx8/sn65dsi83/sn65dsi83_brg.c
+++ /dev/null
@@ -1,388 +0,0 @@
-/*
- * Copyright (C) 2018 CopuLab Ltd.
- *
- * 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.
- */
-
-#include <linux/i2c.h>
-#include <linux/device.h>
-#include <linux/gpio/consumer.h>
-#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/of_device.h>
-#include <linux/of_graph.h>
-#include <linux/slab.h>
-
-#include <drm/drmP.h>
-#include <drm/drm_atomic.h>
-#include <drm/drm_atomic_helper.h>
-#include <drm/drm_edid.h>
-#include <drm/drm_mipi_dsi.h>
-#include <drm/drm_connector.h>
-#include <video/mipi_display.h>
-#include <video/of_videomode.h>
-#include <video/videomode.h>
-
-#include "sn65dsi83_brg.h"
-
-/* Register addresses */
-
-#define SN65DSI83_SOFT_RESET         0x09
-#define SN65DSI83_CORE_PLL           0x0A
-    #define LVDS_CLK_RANGE_SHIFT    1
-    #define HS_CLK_SRC_SHIFT        0
-
-#define SN65DSI83_PLL_DIV            0x0B
-    #define DSI_CLK_DIV_SHIFT       3
-
-#define SN65DSI83_PLL_EN             0x0D
-#define SN65DSI83_DSI_CFG            0x10
-    #define CHA_DSI_LANES_SHIFT    3
-
-#define SN65DSI83_DSI_EQ              0x11
-#define SN65DSI83_CHA_DSI_CLK_RNG     0x12
-#define SN65DSI83_CHB_DSI_CLK_RNG     0x13
-#define SN65DSI83_LVDS_MODE           0x18
-    #define DE_NEG_POLARITY_SHIFT 7
-    #define HS_NEG_POLARITY_SHIFT 6
-    #define VS_NEG_POLARITY_SHIFT 5
-    #define LVDS_LINK_CFG_SHIFT   4
-    #define CHA_24BPP_MODE_SHIFT  3
-    #define CHA_24BPP_FMT1_SHIFT  1
-
-#define SN65DSI83_LVDS_SIGN           0x19
-#define SN65DSI83_LVDS_TERM           0x1A
-#define SN65DSI83_LVDS_CM_ADJ         0x1B
-#define SN65DSI83_CHA_LINE_LEN_LO     0x20
-#define SN65DSI83_CHA_LINE_LEN_HI     0x21
-#define SN65DSI83_CHB_LINE_LEN_LO     0x22
-#define SN65DSI83_CHB_LINE_LEN_HI     0x23
-#define SN65DSI83_CHA_VERT_LINES_LO   0x24
-#define SN65DSI83_CHA_VERT_LINES_HI   0x25
-#define SN65DSI83_CHB_VERT_LINES_LO   0x26
-#define SN65DSI83_CHB_VERT_LINES_HI   0x27
-#define SN65DSI83_CHA_SYNC_DELAY_LO   0x28
-#define SN65DSI83_CHA_SYNC_DELAY_HI   0x29
-#define SN65DSI83_CHB_SYNC_DELAY_LO   0x2A
-#define SN65DSI83_CHB_SYNC_DELAY_HI   0x2B
-#define SN65DSI83_CHA_HSYNC_WIDTH_LO  0x2C
-#define SN65DSI83_CHA_HSYNC_WIDTH_HI  0x2D
-#define SN65DSI83_CHB_HSYNC_WIDTH_LO  0x2E
-#define SN65DSI83_CHB_HSYNC_WIDTH_HI  0x2F
-#define SN65DSI83_CHA_VSYNC_WIDTH_LO  0x30
-#define SN65DSI83_CHA_VSYNC_WIDTH_HI  0x31
-#define SN65DSI83_CHB_VSYNC_WIDTH_LO  0x32
-#define SN65DSI83_CHB_VSYNC_WIDTH_HI  0x33
-#define SN65DSI83_CHA_HORZ_BACKPORCH  0x34
-#define SN65DSI83_CHB_HORZ_BACKPORCH  0x35
-#define SN65DSI83_CHA_VERT_BACKPORCH  0x36
-#define SN65DSI83_CHB_VERT_BACKPORCH  0x37
-#define SN65DSI83_CHA_HORZ_FRONTPORCH 0x38
-#define SN65DSI83_CHB_HORZ_FRONTPORCH 0x39
-#define SN65DSI83_CHA_VERT_FRONTPORCH 0x3A
-#define SN65DSI83_CHB_VERT_FRONTPORCH 0x3B
-#define SN65DSI83_CHA_ERR             0xE5
-#define SN65DSI83_TEST_PATTERN        0x3C
-#define SN65DSI83_REG_3D              0x3D
-#define SN65DSI83_REG_3E              0x3E
-
-static int sn65dsi83_brg_power_on(struct sn65dsi83_brg *brg)
-{
-    dev_info(&brg->client->dev,"%s\n",__func__);
-    gpiod_set_value_cansleep(brg->gpio_enable, 1);
-    /* Wait for 1ms for the internal voltage regulator to stabilize */
-    msleep(1);
-
-    return 0;
-}
-
-static void sn65dsi83_brg_power_off(struct sn65dsi83_brg *brg)
-{
-    dev_info(&brg->client->dev,"%s\n",__func__);
-    gpiod_set_value_cansleep(brg->gpio_enable, 0);
-    /*
-     * The EN pin must be held low for at least 10 ms
-     * before being asserted high
-     */
-    msleep(10);
-}
-
-static int sn65dsi83_write(struct i2c_client *client, u8 reg, u8 val)
-{
-    int ret;
-
-    ret = i2c_smbus_write_byte_data(client, reg, val);
-
-    if (ret)
-        dev_err(&client->dev, "failed to write at 0x%02x", reg);
-
-    dev_dbg(&client->dev, "%s: write reg 0x%02x data 0x%02x", __func__, reg, val);
-
-    return ret;
-}
-#define SN65DSI83_WRITE(reg,val) sn65dsi83_write(client, (reg) , (val))
-
-static int sn65dsi83_read(struct i2c_client *client, u8 reg)
-{
-    int ret;
-
-    dev_info(&client->dev, "client 0x%p", client);
-    ret = i2c_smbus_read_byte_data(client, reg);
-
-    if (ret < 0) {
-        dev_err(&client->dev, "failed reading at 0x%02x", reg);
-        return ret;
-    }
-
-    dev_dbg(&client->dev, "%s: read reg 0x%02x data 0x%02x", __func__, reg, ret);
-
-    return ret;
-}
-#define SN65DSI83_READ(reg) sn65dsi83_read(client, (reg))
-
-static int sn65dsi83_brg_start_stream(struct sn65dsi83_brg *brg)
-{
-    int regval;
-    struct i2c_client *client = I2C_CLIENT(brg);
-
-    dev_info(&client->dev,"%s\n",__func__);
-    /* Set the PLL_EN bit (CSR 0x0D.0) */
-    SN65DSI83_WRITE(SN65DSI83_PLL_EN, 0x1);
-    /* Wait for the PLL_LOCK bit to be set (CSR 0x0A.7) */
-    msleep(200);
-
-    /* Perform SW reset to apply changes */
-    SN65DSI83_WRITE(SN65DSI83_SOFT_RESET, 0x01);
-
-    /* Read CHA Error register */
-    regval = SN65DSI83_READ(SN65DSI83_CHA_ERR);
-    dev_info(&client->dev, "CHA (0x%02x) = 0x%02x",
-         SN65DSI83_CHA_ERR, regval);
-
-    return 0;
-}
-
-static void sn65dsi83_brg_stop_stream(struct sn65dsi83_brg *brg)
-{
-    struct i2c_client *client = I2C_CLIENT(brg);
-    dev_info(&client->dev,"%s\n",__func__);
-    /* Clear the PLL_EN bit (CSR 0x0D.0) */
-    SN65DSI83_WRITE(SN65DSI83_PLL_EN, 0x00);
-}
-
-static int sn65dsi83_calk_clk_range(int min_regval, int max_regval,
-                unsigned long min_clk, unsigned long inc,
-                unsigned long target_clk)
-{
-    int regval = min_regval;
-    unsigned long clk = min_clk;
-
-    while (regval <= max_regval) {
-        if ((clk <= target_clk) && (target_clk < (clk + inc)))
-            return regval;
-
-        regval++;
-        clk += inc;
-    }
-
-    return -1;
-}
-
-#define ABS(X) ((X) < 0 ? (-1 * (X)) : (X))
-static int sn65dsi83_calk_div(int min_regval, int max_regval, int min_div,
-                int inc, unsigned long source_clk,
-                unsigned long target_clk)
-{
-    int regval = min_regval;
-    int div = min_div;
-    unsigned long curr_delta;
-    unsigned long prev_delta = ABS(DIV_ROUND_UP(source_clk, div) -
-                    target_clk);
-
-    while (regval <= max_regval) {
-        curr_delta = ABS(DIV_ROUND_UP(source_clk, div) - target_clk);
-        if (curr_delta > prev_delta)
-            return --regval;
-
-        regval++;
-        div += inc;
-    }
-
-    return -1;
-}
-
-static int sn65dsi83_brg_configure(struct sn65dsi83_brg *brg)
-{
-    int regval = 0;
-    struct i2c_client *client = I2C_CLIENT(brg);
-    struct videomode *vm = VM(brg);
-
-    u32 dsi_clk = (((PIXCLK * BPP(brg)) / DSI_LANES(brg)) >> 1);
-
-    dev_info(&client->dev, "DSI clock [ %u ] Hz\n",dsi_clk);
-    dev_info(&client->dev, "GeoMetry [ %d x %d ] Hz\n",HACTIVE,VACTIVE);
-
-    /* Reset PLL_EN and SOFT_RESET registers */
-    SN65DSI83_WRITE(SN65DSI83_SOFT_RESET,0x00);
-    SN65DSI83_WRITE(SN65DSI83_PLL_EN,0x00);
-
-    /* LVDS clock setup */
-    if  ((25000000 <= PIXCLK) && (PIXCLK < 37500000))
-        regval = 0;
-    else
-        regval = sn65dsi83_calk_clk_range(0x01, 0x05, 37500000, 25000000,
-                    PIXCLK);
-
-    if (regval < 0) {
-        dev_err(&client->dev, "failed to configure LVDS clock");
-        return -EINVAL;
-    }
-
-    regval = (regval << LVDS_CLK_RANGE_SHIFT);
-    regval |= (1 << HS_CLK_SRC_SHIFT); /* Use DSI clock */
-    SN65DSI83_WRITE(SN65DSI83_CORE_PLL,regval);
-
-    /* DSI clock range */
-    regval = sn65dsi83_calk_clk_range(0x08, 0x64, 40000000, 5000000, dsi_clk);
-    if (regval < 0) {
-        dev_err(&client->dev, "failed to configure DSI clock range\n");
-        return -EINVAL;
-    }
-    SN65DSI83_WRITE(SN65DSI83_CHA_DSI_CLK_RNG,regval);
-
-    /* DSI clock divider */
-    regval = sn65dsi83_calk_div(0x0, 0x18, 1, 1, dsi_clk, PIXCLK);
-    if (regval < 0) {
-        dev_err(&client->dev, "failed to calculate DSI clock divider");
-        return -EINVAL;
-    }
-
-    regval = regval << DSI_CLK_DIV_SHIFT;
-    SN65DSI83_WRITE(SN65DSI83_PLL_DIV,regval);
-
-    /* Configure DSI_LANES  */
-    regval = SN65DSI83_READ(SN65DSI83_DSI_CFG);
-    regval &= ~(3 << CHA_DSI_LANES_SHIFT);
-    regval |= ((4 - DSI_LANES(brg)) << CHA_DSI_LANES_SHIFT);
-    SN65DSI83_WRITE(SN65DSI83_DSI_CFG,regval);
-
-    /* CHA_DSI_DATA_EQ - No Equalization */
-    /* CHA_DSI_CLK_EQ  - No Equalization */
-    SN65DSI83_WRITE(SN65DSI83_DSI_EQ,0x00);
-
-    /* Video formats */
-    regval = 0;
-    if (FLAGS & DISPLAY_FLAGS_HSYNC_LOW)
-        regval |= (1 << HS_NEG_POLARITY_SHIFT);
-
-    if (FLAGS & DISPLAY_FLAGS_VSYNC_LOW)
-        regval |= (1 << VS_NEG_POLARITY_SHIFT);
-
-    if (FLAGS & DISPLAY_FLAGS_DE_LOW)
-        regval |= (1 << DE_NEG_POLARITY_SHIFT);
-
-    if (BPP(brg) == 24)
-        regval |= (1 << CHA_24BPP_MODE_SHIFT);
-
-    if (FORMAT(brg) == 1)
-        regval |= (1 << CHA_24BPP_FMT1_SHIFT);
-
-    regval |= (1 << LVDS_LINK_CFG_SHIFT);
-    SN65DSI83_WRITE(SN65DSI83_LVDS_MODE,regval);
-
-    /* Voltage and pins */
-    SN65DSI83_WRITE(SN65DSI83_LVDS_SIGN,0x00);
-    SN65DSI83_WRITE(SN65DSI83_LVDS_TERM,0x03);
-    SN65DSI83_WRITE(SN65DSI83_LVDS_CM_ADJ,0x00);
-
-    /* Configure sync delay to minimal allowed value */
-    SN65DSI83_WRITE(SN65DSI83_CHA_SYNC_DELAY_LO,0x21);
-    SN65DSI83_WRITE(SN65DSI83_CHA_SYNC_DELAY_HI,0x00);
-
-    /* Geometry */
-    SN65DSI83_WRITE(SN65DSI83_CHA_LINE_LEN_LO,LOW(HACTIVE));
-    SN65DSI83_WRITE(SN65DSI83_CHA_LINE_LEN_HI,HIGH(HACTIVE));
-
-    SN65DSI83_WRITE(SN65DSI83_CHA_VERT_LINES_LO,LOW(VACTIVE));
-    SN65DSI83_WRITE(SN65DSI83_CHA_VERT_LINES_HI,HIGH(VACTIVE));
-
-    SN65DSI83_WRITE(SN65DSI83_CHA_HSYNC_WIDTH_LO,LOW(HPW));
-    SN65DSI83_WRITE(SN65DSI83_CHA_HSYNC_WIDTH_HI,HIGH(HPW));
-
-    SN65DSI83_WRITE(SN65DSI83_CHA_VSYNC_WIDTH_LO,LOW(VPW));
-    SN65DSI83_WRITE(SN65DSI83_CHA_VSYNC_WIDTH_HI,HIGH(VPW));
-
-    SN65DSI83_WRITE(SN65DSI83_CHA_HORZ_BACKPORCH,LOW(HBP));
-    SN65DSI83_WRITE(SN65DSI83_CHA_VERT_BACKPORCH,LOW(VBP));
-
-    SN65DSI83_WRITE(SN65DSI83_CHA_HORZ_FRONTPORCH,LOW(HFP));
-    SN65DSI83_WRITE(SN65DSI83_CHA_VERT_FRONTPORCH,LOW(VFP));
-
-    SN65DSI83_WRITE(SN65DSI83_TEST_PATTERN,0x00);
-    SN65DSI83_WRITE(SN65DSI83_REG_3D,0x00);
-    SN65DSI83_WRITE(SN65DSI83_REG_3E,0x00);
-
-    /* mute channel B */
-    SN65DSI83_WRITE(SN65DSI83_CHB_DSI_CLK_RNG, 0x00);
-    SN65DSI83_WRITE(SN65DSI83_CHB_LINE_LEN_LO, 0x00);
-    SN65DSI83_WRITE(SN65DSI83_CHB_LINE_LEN_HI, 0x00);
-    SN65DSI83_WRITE(SN65DSI83_CHB_VERT_LINES_LO, 0x00);
-    SN65DSI83_WRITE(SN65DSI83_CHB_VERT_LINES_HI, 0x00);
-    SN65DSI83_WRITE(SN65DSI83_CHB_SYNC_DELAY_LO, 0x00);
-    SN65DSI83_WRITE(SN65DSI83_CHB_SYNC_DELAY_HI, 0x00);
-    SN65DSI83_WRITE(SN65DSI83_CHB_HSYNC_WIDTH_LO, 0x00);
-    SN65DSI83_WRITE(SN65DSI83_CHB_HSYNC_WIDTH_HI, 0x00);
-    SN65DSI83_WRITE(SN65DSI83_CHB_VSYNC_WIDTH_LO, 0x00);
-    SN65DSI83_WRITE(SN65DSI83_CHB_VSYNC_WIDTH_HI, 0x00);
-    SN65DSI83_WRITE(SN65DSI83_CHB_HORZ_BACKPORCH, 0x00);
-    SN65DSI83_WRITE(SN65DSI83_CHB_VERT_BACKPORCH, 0x00);
-    SN65DSI83_WRITE(SN65DSI83_CHB_HORZ_FRONTPORCH, 0x00);
-    SN65DSI83_WRITE(SN65DSI83_CHB_VERT_FRONTPORCH, 0x00);
-    return 0;
-}
-
-static int sn65dsi83_brg_setup(struct sn65dsi83_brg *brg)
-{
-    struct i2c_client *client = I2C_CLIENT(brg);
-    dev_info(&client->dev,"%s\n",__func__);
-    sn65dsi83_brg_power_on(brg);
-    return sn65dsi83_brg_configure(brg);
-}
-
-static int sn65dsi83_brg_reset(struct sn65dsi83_brg *brg)
-{
-    /* Soft Reset reg value at power on should be 0x00 */
-    struct i2c_client *client = I2C_CLIENT(brg);
-    int ret = SN65DSI83_READ(SN65DSI83_SOFT_RESET);
-    dev_info(&client->dev,"%s\n",__func__);
-    if (ret != 0x00) {
-        dev_err(&client->dev,"Failed to reset the device");
-        return -ENODEV;
-    }
-    return 0;
-}
-
-static struct sn65dsi83_brg_funcs brg_func = {
-    .power_on = sn65dsi83_brg_power_on,
-    .power_off = sn65dsi83_brg_power_off,
-    .setup = sn65dsi83_brg_setup,
-    .reset = sn65dsi83_brg_reset,
-    .start_stream = sn65dsi83_brg_start_stream,
-    .stop_stream = sn65dsi83_brg_stop_stream,
-};
-
-static struct sn65dsi83_brg brg = {
-    .funcs = &brg_func,
-};
-
-struct sn65dsi83_brg *sn65dsi83_brg_get(void) {
-    return &brg;
-}
-- 
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