]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - board/gdsys/common/osd.c
Merge branch 'master' of git://git.denx.de/u-boot-usb
[karo-tx-uboot.git] / board / gdsys / common / osd.c
index 6e4edaebb371a2d39b00e716bfe9a4fee3aa0e89..55ecdf10127ed6e976e7906dd2707d89381e0835 100644 (file)
@@ -2,29 +2,14 @@
  * (C) Copyright 2010
  * Dirk Eibach,  Guntermann & Drunck GmbH, eibach@gdsys.de
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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>
 #include <i2c.h>
-#include <asm/io.h>
+#include <malloc.h>
 
+#include "dp501.h"
 #include <gdsys_fpga.h>
 
 #define CH7301_I2C_ADDR 0x75
 #define SIL1178_MASTER_I2C_ADDRESS 0x38
 #define SIL1178_SLAVE_I2C_ADDRESS 0x39
 
-#define PIXCLK_640_480_60 25180000
+#define DP501_I2C_ADDR 0x08
 
-#define BASE_WIDTH 32
-#define BASE_HEIGHT 16
-#define BUFSIZE (BASE_WIDTH * BASE_HEIGHT)
+#define PIXCLK_640_480_60 25180000
 
 enum {
        CH7301_CM = 0x1c,               /* Clock Mode Register */
@@ -67,40 +50,30 @@ enum {
        CH7301_DSP = 0x56,              /* DVI Sync polarity Register */
 };
 
-#if defined(CONFIG_SYS_ICS8N3QV01) || defined(CONFIG_SYS_SIL1178)
-static void fpga_iic_write(unsigned screen, u8 slave, u8 reg, u8 data)
-{
-       ihs_fpga_t *fpga = (ihs_fpga_t *) CONFIG_SYS_FPGA_BASE(screen);
-       ihs_i2c_t *i2c = &fpga->i2c;
+unsigned int base_width;
+unsigned int base_height;
+size_t bufsize;
+u16 *buf;
 
-       while (in_le16(&fpga->extended_interrupt) & (1 << 12))
-               ;
-       out_le16(&i2c->write_mailbox_ext, reg | (data << 8));
-       out_le16(&i2c->write_mailbox, 0xc400 | (slave << 1));
-}
+unsigned int max_osd_screen = CONFIG_SYS_OSD_SCREENS - 1;
 
-static u8 fpga_iic_read(unsigned screen, u8 slave, u8 reg)
-{
-       ihs_fpga_t *fpga = (ihs_fpga_t *) CONFIG_SYS_FPGA_BASE(screen);
-       ihs_i2c_t *i2c = &fpga->i2c;
-       unsigned int ctr = 0;
-
-       while (in_le16(&fpga->extended_interrupt) & (1 << 12))
-               ;
-       out_le16(&fpga->extended_interrupt, 1 << 14);
-       out_le16(&i2c->write_mailbox_ext, reg);
-       out_le16(&i2c->write_mailbox, 0xc000 | (slave << 1));
-       while (!(in_le16(&fpga->extended_interrupt) & (1 << 14))) {
-               udelay(100000);
-               if (ctr++ > 5) {
-                       printf("iic receive timeout\n");
-                       break;
-               }
-       }
-       return in_le16(&i2c->read_mailbox_ext) >> 8;
-}
+#ifdef CONFIG_SYS_ICS8N3QV01_I2C
+int ics8n3qv01_i2c[] = CONFIG_SYS_ICS8N3QV01_I2C;
+#endif
+
+#ifdef CONFIG_SYS_CH7301_I2C
+int ch7301_i2c[] = CONFIG_SYS_CH7301_I2C;
+#endif
+
+#ifdef CONFIG_SYS_SIL1178_I2C
+int sil1178_i2c[] = CONFIG_SYS_SIL1178_I2C;
 #endif
 
+#ifdef CONFIG_SYS_DP501_I2C
+int dp501_i2c[] = CONFIG_SYS_DP501_I2C;
+#endif
+
+
 #ifdef CONFIG_SYS_MPC92469AC
 static void mpc92469ac_calc_parameters(unsigned int fout,
        unsigned int *post_div, unsigned int *feedback_div)
@@ -129,7 +102,6 @@ static void mpc92469ac_calc_parameters(unsigned int fout,
 
 static void mpc92469ac_set(unsigned screen, unsigned int fout)
 {
-       ihs_fpga_t *fpga = (ihs_fpga_t *) CONFIG_SYS_FPGA_BASE(screen);
        unsigned int n;
        unsigned int m;
        unsigned int bitval = 0;
@@ -150,13 +122,13 @@ static void mpc92469ac_set(unsigned screen, unsigned int fout)
                break;
        }
 
-       out_le16(&fpga->mpc3w_control, (bitval << 9) | m);
+       FPGA_SET_REG(screen, mpc3w_control, (bitval << 9) | m);
 }
 #endif
 
-#ifdef CONFIG_SYS_ICS8N3QV01
+#ifdef CONFIG_SYS_ICS8N3QV01_I2C
 
-static unsigned int ics8n3qv01_get_fout_calc(unsigned screen, unsigned index)
+static unsigned int ics8n3qv01_get_fout_calc(unsigned index)
 {
        unsigned long long n;
        unsigned long long mint;
@@ -167,11 +139,11 @@ static unsigned int ics8n3qv01_get_fout_calc(unsigned screen, unsigned index)
        if (index > 3)
                return 0;
 
-       reg_a = fpga_iic_read(screen, ICS8N3QV01_I2C_ADDR, 0 + index);
-       reg_b = fpga_iic_read(screen, ICS8N3QV01_I2C_ADDR, 4 + index);
-       reg_c = fpga_iic_read(screen, ICS8N3QV01_I2C_ADDR, 8 + index);
-       reg_d = fpga_iic_read(screen, ICS8N3QV01_I2C_ADDR, 12 + index);
-       reg_f = fpga_iic_read(screen, ICS8N3QV01_I2C_ADDR, 20 + index);
+       reg_a = i2c_reg_read(ICS8N3QV01_I2C_ADDR, 0 + index);
+       reg_b = i2c_reg_read(ICS8N3QV01_I2C_ADDR, 4 + index);
+       reg_c = i2c_reg_read(ICS8N3QV01_I2C_ADDR, 8 + index);
+       reg_d = i2c_reg_read(ICS8N3QV01_I2C_ADDR, 12 + index);
+       reg_f = i2c_reg_read(ICS8N3QV01_I2C_ADDR, 20 + index);
 
        mint = ((reg_a >> 1) & 0x1f) | (reg_f & 0x20);
        mfrac = ((reg_a & 0x01) << 17) | (reg_b << 9) | (reg_c << 1)
@@ -219,7 +191,7 @@ static void ics8n3qv01_calc_parameters(unsigned int fout,
        *_n = n;
 }
 
-static void ics8n3qv01_set(unsigned screen, unsigned int fout)
+static void ics8n3qv01_set(unsigned int fout)
 {
        unsigned int n;
        unsigned int mint;
@@ -229,7 +201,7 @@ static void ics8n3qv01_set(unsigned screen, unsigned int fout)
        long long off_ppm;
        u8 reg0, reg4, reg8, reg12, reg18, reg20;
 
-       fout_calc = ics8n3qv01_get_fout_calc(screen, 1);
+       fout_calc = ics8n3qv01_get_fout_calc(1);
        off_ppm = (fout_calc - ICS8N3QV01_F_DEFAULT_1) * 1000000
                  / ICS8N3QV01_F_DEFAULT_1;
        printf("       PLL is off by %lld ppm\n", off_ppm);
@@ -237,42 +209,40 @@ static void ics8n3qv01_set(unsigned screen, unsigned int fout)
                    / ICS8N3QV01_F_DEFAULT_1;
        ics8n3qv01_calc_parameters(fout_prog, &mint, &mfrac, &n);
 
-       reg0 = fpga_iic_read(screen, ICS8N3QV01_I2C_ADDR, 0) & 0xc0;
+       reg0 = i2c_reg_read(ICS8N3QV01_I2C_ADDR, 0) & 0xc0;
        reg0 |= (mint & 0x1f) << 1;
        reg0 |= (mfrac >> 17) & 0x01;
-       fpga_iic_write(screen, ICS8N3QV01_I2C_ADDR, 0, reg0);
+       i2c_reg_write(ICS8N3QV01_I2C_ADDR, 0, reg0);
 
        reg4 = mfrac >> 9;
-       fpga_iic_write(screen, ICS8N3QV01_I2C_ADDR, 4, reg4);
+       i2c_reg_write(ICS8N3QV01_I2C_ADDR, 4, reg4);
 
        reg8 = mfrac >> 1;
-       fpga_iic_write(screen, ICS8N3QV01_I2C_ADDR, 8, reg8);
+       i2c_reg_write(ICS8N3QV01_I2C_ADDR, 8, reg8);
 
        reg12 = mfrac << 7;
        reg12 |= n & 0x7f;
-       fpga_iic_write(screen, ICS8N3QV01_I2C_ADDR, 12, reg12);
+       i2c_reg_write(ICS8N3QV01_I2C_ADDR, 12, reg12);
 
-       reg18 = fpga_iic_read(screen, ICS8N3QV01_I2C_ADDR, 18) & 0x03;
+       reg18 = i2c_reg_read(ICS8N3QV01_I2C_ADDR, 18) & 0x03;
        reg18 |= 0x20;
-       fpga_iic_write(screen, ICS8N3QV01_I2C_ADDR, 18, reg18);
+       i2c_reg_write(ICS8N3QV01_I2C_ADDR, 18, reg18);
 
-       reg20 = fpga_iic_read(screen, ICS8N3QV01_I2C_ADDR, 20) & 0x1f;
+       reg20 = i2c_reg_read(ICS8N3QV01_I2C_ADDR, 20) & 0x1f;
        reg20 |= mint & (1 << 5);
-       fpga_iic_write(screen, ICS8N3QV01_I2C_ADDR, 20, reg20);
+       i2c_reg_write(ICS8N3QV01_I2C_ADDR, 20, reg20);
 }
 #endif
 
 static int osd_write_videomem(unsigned screen, unsigned offset,
        u16 *data, size_t charcount)
 {
-       ihs_fpga_t *fpga =
-               (ihs_fpga_t *) CONFIG_SYS_FPGA_BASE(screen);
        unsigned int k;
 
        for (k = 0; k < charcount; ++k) {
-               if (offset + k >= BUFSIZE)
+               if (offset + k >= bufsize)
                        return -1;
-               out_le16(&fpga->videomem + offset + k, data[k]);
+               FPGA_SET_REG(screen, videomem[offset + k], data[k]);
        }
 
        return charcount;
@@ -282,14 +252,13 @@ static int osd_print(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
        unsigned screen;
 
-       for (screen = 0; screen < CONFIG_SYS_OSD_SCREENS; ++screen) {
+       for (screen = 0; screen <= max_osd_screen; ++screen) {
                unsigned x;
                unsigned y;
                unsigned charcount;
                unsigned len;
                u8 color;
                unsigned int k;
-               u16 buf[BUFSIZE];
                char *text;
                int res;
 
@@ -303,12 +272,12 @@ static int osd_print(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
                color = simple_strtoul(argv[3], NULL, 16);
                text = argv[4];
                charcount = strlen(text);
-               len = (charcount > BUFSIZE) ? BUFSIZE : charcount;
+               len = (charcount > bufsize) ? bufsize : charcount;
 
                for (k = 0; k < len; ++k)
                        buf[k] = (text[k] << 8) | color;
 
-               res = osd_write_videomem(screen, y * BASE_WIDTH + x, buf, len);
+               res = osd_write_videomem(screen, y * base_width + x, buf, len);
                if (res < 0)
                        return res;
        }
@@ -318,64 +287,105 @@ static int osd_print(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 
 int osd_probe(unsigned screen)
 {
-       ihs_fpga_t *fpga = (ihs_fpga_t *) CONFIG_SYS_FPGA_BASE(screen);
-       ihs_osd_t *osd = &fpga->osd;
-       u16 version = in_le16(&osd->version);
-       u16 features = in_le16(&osd->features);
-       unsigned width;
-       unsigned height;
-       u8 value;
-
-       width = ((features & 0x3f00) >> 8) + 1;
-       height = (features & 0x001f) + 1;
+       u16 version;
+       u16 features;
+       int old_bus = i2c_get_bus_num();
+       bool pixclock_present = false;
+       bool output_driver_present = false;
+
+       FPGA_GET_REG(0, osd.version, &version);
+       FPGA_GET_REG(0, osd.features, &features);
+
+       base_width = ((features & 0x3f00) >> 8) + 1;
+       base_height = (features & 0x001f) + 1;
+       bufsize = base_width * base_height;
+       buf = malloc(sizeof(u16) * bufsize);
+       if (!buf)
+               return -1;
 
        printf("OSD%d:  Digital-OSD version %01d.%02d, %d" "x%d characters\n",
-               screen, version/100, version%100, width, height);
+               screen, version/100, version%100, base_width, base_height);
 
-#ifdef CONFIG_SYS_CH7301
-       value = i2c_reg_read(CH7301_I2C_ADDR, CH7301_DID);
-       if (value != 0x17) {
-               printf("       Probing CH7301 failed, DID %02x\n", value);
-               return -1;
-       }
-       i2c_reg_write(CH7301_I2C_ADDR, CH7301_TPCP, 0x08);
-       i2c_reg_write(CH7301_I2C_ADDR, CH7301_TPD, 0x16);
-       i2c_reg_write(CH7301_I2C_ADDR, CH7301_TPF, 0x60);
-       i2c_reg_write(CH7301_I2C_ADDR, CH7301_DC, 0x09);
-       i2c_reg_write(CH7301_I2C_ADDR, CH7301_PM, 0xc0);
-#endif
+       /* setup pixclock */
 
 #ifdef CONFIG_SYS_MPC92469AC
+       pixclock_present = true;
        mpc92469ac_set(screen, PIXCLK_640_480_60);
 #endif
 
-#ifdef CONFIG_SYS_ICS8N3QV01
-       ics8n3qv01_set(screen, PIXCLK_640_480_60);
+#ifdef CONFIG_SYS_ICS8N3QV01_I2C
+       i2c_set_bus_num(ics8n3qv01_i2c[screen]);
+       if (!i2c_probe(ICS8N3QV01_I2C_ADDR)) {
+               ics8n3qv01_set(PIXCLK_640_480_60);
+               pixclock_present = true;
+       }
 #endif
 
-#ifdef CONFIG_SYS_SIL1178
-       value = fpga_iic_read(screen, SIL1178_SLAVE_I2C_ADDRESS, 0x02);
-       if (value != 0x06) {
-               printf("       Probing CH7301 SIL1178, DEV_IDL %02x\n", value);
-               return -1;
+       if (!pixclock_present)
+               printf("       no pixelclock found\n");
+
+       /* setup output driver */
+
+#ifdef CONFIG_SYS_CH7301_I2C
+       i2c_set_bus_num(ch7301_i2c[screen]);
+       if (!i2c_probe(CH7301_I2C_ADDR)) {
+               u8 value = i2c_reg_read(CH7301_I2C_ADDR, CH7301_DID);
+
+               if (value == 0x17) {
+                       i2c_reg_write(CH7301_I2C_ADDR, CH7301_TPCP, 0x08);
+                       i2c_reg_write(CH7301_I2C_ADDR, CH7301_TPD, 0x16);
+                       i2c_reg_write(CH7301_I2C_ADDR, CH7301_TPF, 0x60);
+                       i2c_reg_write(CH7301_I2C_ADDR, CH7301_DC, 0x09);
+                       i2c_reg_write(CH7301_I2C_ADDR, CH7301_PM, 0xc0);
+                       output_driver_present = true;
+               }
        }
-       /* magic initialization sequence adapted from datasheet */
-       fpga_iic_write(screen, SIL1178_SLAVE_I2C_ADDRESS, 0x08, 0x36);
-       fpga_iic_write(screen, SIL1178_MASTER_I2C_ADDRESS, 0x0f, 0x44);
-       fpga_iic_write(screen, SIL1178_MASTER_I2C_ADDRESS, 0x0f, 0x4c);
-       fpga_iic_write(screen, SIL1178_MASTER_I2C_ADDRESS, 0x0e, 0x10);
-       fpga_iic_write(screen, SIL1178_MASTER_I2C_ADDRESS, 0x0a, 0x80);
-       fpga_iic_write(screen, SIL1178_MASTER_I2C_ADDRESS, 0x09, 0x30);
-       fpga_iic_write(screen, SIL1178_MASTER_I2C_ADDRESS, 0x0c, 0x89);
-       fpga_iic_write(screen, SIL1178_MASTER_I2C_ADDRESS, 0x0d, 0x60);
-       fpga_iic_write(screen, SIL1178_MASTER_I2C_ADDRESS, 0x08, 0x36);
-       fpga_iic_write(screen, SIL1178_MASTER_I2C_ADDRESS, 0x08, 0x37);
 #endif
 
-       out_le16(&fpga->videocontrol, 0x0002);
-       out_le16(&osd->control, 0x0049);
+#ifdef CONFIG_SYS_SIL1178_I2C
+       i2c_set_bus_num(sil1178_i2c[screen]);
+       if (!i2c_probe(SIL1178_SLAVE_I2C_ADDRESS)) {
+               if (i2c_reg_read(SIL1178_SLAVE_I2C_ADDRESS, 0x02) == 0x06) {
+                       /*
+                        * magic initialization sequence,
+                        * adapted from datasheet
+                        */
+                       i2c_reg_write(SIL1178_SLAVE_I2C_ADDRESS, 0x08, 0x36);
+                       i2c_reg_write(SIL1178_MASTER_I2C_ADDRESS, 0x0f, 0x44);
+                       i2c_reg_write(SIL1178_MASTER_I2C_ADDRESS, 0x0f, 0x4c);
+                       i2c_reg_write(SIL1178_MASTER_I2C_ADDRESS, 0x0e, 0x10);
+                       i2c_reg_write(SIL1178_MASTER_I2C_ADDRESS, 0x0a, 0x80);
+                       i2c_reg_write(SIL1178_MASTER_I2C_ADDRESS, 0x09, 0x30);
+                       i2c_reg_write(SIL1178_MASTER_I2C_ADDRESS, 0x0c, 0x89);
+                       i2c_reg_write(SIL1178_MASTER_I2C_ADDRESS, 0x0d, 0x60);
+                       i2c_reg_write(SIL1178_MASTER_I2C_ADDRESS, 0x08, 0x36);
+                       i2c_reg_write(SIL1178_MASTER_I2C_ADDRESS, 0x08, 0x37);
+                       output_driver_present = true;
+               }
+       }
+#endif
+
+#ifdef CONFIG_SYS_DP501_I2C
+       i2c_set_bus_num(dp501_i2c[screen]);
+       if (!i2c_probe(DP501_I2C_ADDR)) {
+               dp501_powerup(DP501_I2C_ADDR);
+               output_driver_present = true;
+       }
+#endif
+
+       if (!output_driver_present)
+               printf("       no output driver found\n");
+
+       FPGA_SET_REG(screen, osd.control, 0x0049);
+
+       FPGA_SET_REG(screen, osd.xy_size, ((32 - 1) << 8) | (16 - 1));
+       FPGA_SET_REG(screen, osd.x_pos, 0x007f);
+       FPGA_SET_REG(screen, osd.y_pos, 0x005f);
+
+       if (screen > max_osd_screen)
+               max_osd_screen = screen;
 
-       out_le16(&osd->xy_size, ((32 - 1) << 8) | (16 - 1));
+       i2c_set_bus_num(old_bus);
 
        return 0;
 }
@@ -384,11 +394,11 @@ int osd_write(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
        unsigned screen;
 
-       for (screen = 0; screen < CONFIG_SYS_OSD_SCREENS; ++screen) {
+       for (screen = 0; screen <= max_osd_screen; ++screen) {
                unsigned x;
                unsigned y;
                unsigned k;
-               u16 buffer[BASE_WIDTH];
+               u16 buffer[base_width];
                char *rp;
                u16 *wp = buffer;
                unsigned count = (argc > 4) ?
@@ -413,13 +423,13 @@ int osd_write(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 
                        rp += 4;
                        wp++;
-                       if (wp - buffer > BASE_WIDTH)
+                       if (wp - buffer > base_width)
                                break;
                }
 
                for (k = 0; k < count; ++k) {
                        unsigned offset =
-                               y * BASE_WIDTH + x + k * (wp - buffer);
+                               y * base_width + x + k * (wp - buffer);
                        osd_write_videomem(screen, offset, buffer,
                                wp - buffer);
                }