diff options
Diffstat (limited to 'board/gdsys/common/osd.c')
| -rw-r--r-- | board/gdsys/common/osd.c | 189 |
1 files changed, 96 insertions, 93 deletions
diff --git a/board/gdsys/common/osd.c b/board/gdsys/common/osd.c index c49cd9a..1c765e4 100644 --- a/board/gdsys/common/osd.c +++ b/board/gdsys/common/osd.c @@ -9,6 +9,7 @@ #include <i2c.h> #include <malloc.h> +#include "dp501.h" #include <gdsys_fpga.h> #define CH7301_I2C_ADDR 0x75 @@ -24,6 +25,8 @@ #define SIL1178_MASTER_I2C_ADDRESS 0x38 #define SIL1178_SLAVE_I2C_ADDRESS 0x39 +#define DP501_I2C_ADDR 0x08 + #define PIXCLK_640_480_60 25180000 enum { @@ -54,51 +57,23 @@ u16 *buf; unsigned int max_osd_screen = CONFIG_SYS_OSD_SCREENS - 1; -#ifdef CONFIG_SYS_CH7301 -int ch7301_i2c[] = CONFIG_SYS_CH7301_I2C; +#ifdef CONFIG_SYS_ICS8N3QV01_I2C +int ics8n3qv01_i2c[] = CONFIG_SYS_ICS8N3QV01_I2C; #endif -#if defined(CONFIG_SYS_ICS8N3QV01) || defined(CONFIG_SYS_SIL1178) -static void fpga_iic_write(unsigned screen, u8 slave, u8 reg, u8 data) -{ - u16 val; - - do { - FPGA_GET_REG(screen, extended_interrupt, &val); - } while (val & (1 << 12)); - - FPGA_SET_REG(screen, i2c.write_mailbox_ext, reg | (data << 8)); - FPGA_SET_REG(screen, i2c.write_mailbox, 0xc400 | (slave << 1)); -} +#ifdef CONFIG_SYS_CH7301_I2C +int ch7301_i2c[] = CONFIG_SYS_CH7301_I2C; +#endif -static u8 fpga_iic_read(unsigned screen, u8 slave, u8 reg) -{ - unsigned int ctr = 0; - u16 val; - - do { - FPGA_GET_REG(screen, extended_interrupt, &val); - } while (val & (1 << 12)); - - FPGA_SET_REG(screen, extended_interrupt, 1 << 14); - FPGA_SET_REG(screen, i2c.write_mailbox_ext, reg); - FPGA_SET_REG(screen, i2c.write_mailbox, 0xc000 | (slave << 1)); - - FPGA_GET_REG(screen, extended_interrupt, &val); - while (!(val & (1 << 14))) { - udelay(100000); - if (ctr++ > 5) { - printf("iic receive timeout\n"); - break; - } - FPGA_GET_REG(screen, extended_interrupt, &val); - } +#ifdef CONFIG_SYS_SIL1178_I2C +int sil1178_i2c[] = CONFIG_SYS_SIL1178_I2C; +#endif - FPGA_GET_REG(screen, i2c.read_mailbox_ext, &val); - return val >> 8; -} +#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) @@ -151,9 +126,9 @@ static void mpc92469ac_set(unsigned screen, unsigned int fout) } #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; @@ -164,11 +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) @@ -216,7 +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; @@ -226,7 +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); @@ -234,28 +209,28 @@ 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 @@ -315,9 +290,9 @@ int osd_probe(unsigned screen) u16 version; u16 features; u8 value; -#ifdef CONFIG_SYS_CH7301 int old_bus = i2c_get_bus_num(); -#endif + bool pixclock_present = false; + bool output_driver_present = false; FPGA_GET_REG(0, osd.version, &version); FPGA_GET_REG(0, osd.features, &features); @@ -332,50 +307,76 @@ int osd_probe(unsigned screen) printf("OSD%d: Digital-OSD version %01d.%02d, %d" "x%d characters\n", screen, version/100, version%100, base_width, base_height); -#ifdef CONFIG_SYS_CH7301 - i2c_set_bus_num(ch7301_i2c[screen]); - value = i2c_reg_read(CH7301_I2C_ADDR, CH7301_DID); - if (value != 0x17) { - printf(" Probing CH7301 failed, DID %02x\n", value); - i2c_set_bus_num(old_bus); - 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); - i2c_set_bus_num(old_bus); -#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)) { + 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; + } + } +#endif + +#ifdef CONFIG_SYS_SIL1178_I2C + i2c_set_bus_num(sil1178_i2c[screen]); + if (!i2c_probe(SIL1178_SLAVE_I2C_ADDRESS)) { + value = i2c_reg_read(SIL1178_SLAVE_I2C_ADDRESS, 0x02); + if (value == 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; + } } - /* 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 - FPGA_SET_REG(screen, videocontrol, 0x0002); +#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)); @@ -385,6 +386,8 @@ int osd_probe(unsigned screen) if (screen > max_osd_screen) max_osd_screen = screen; + i2c_set_bus_num(old_bus); + return 0; } |