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author mooglyguy <therealmogminer@gmail.com>2019-09-09 22:38:20 +0200
committer mooglyguy <therealmogminer@gmail.com>2019-09-09 22:38:20 +0200
commit451066eaca54e95dea450fcebf58cdda34518492 (patch)
tree60fe6b153e3b603ff7f893616fe0aa1d432cfe59
parentd4e2fbd306bf9f847fed16b9a9112eb6d8f56c8e (diff)
-saa7191: Skeleton device for the Philips SAA7191 Digital Multistandard Colour Decoder (DSMD), nw
-sgi_mc: Fixed a silly oversight which should fix an Indigo 2 regression, nw -vino: Added kludge devcbs for I2C data out/in/stop, nw
-rw-r--r--scripts/target/mame/mess.lua2
-rw-r--r--src/mame/drivers/indy_indigo2.cpp14
-rw-r--r--src/mame/machine/saa7191.cpp231
-rw-r--r--src/mame/machine/saa7191.h177
-rw-r--r--src/mame/machine/sgi.cpp2
-rw-r--r--src/mame/machine/vino.cpp9
-rw-r--r--src/mame/machine/vino.h8
7 files changed, 439 insertions, 4 deletions
diff --git a/scripts/target/mame/mess.lua b/scripts/target/mame/mess.lua
index 441a69a72e8..0eb53373609 100644
--- a/scripts/target/mame/mess.lua
+++ b/scripts/target/mame/mess.lua
@@ -3185,6 +3185,8 @@ files {
MAME_DIR .. "src/mame/drivers/octane.cpp",
MAME_DIR .. "src/mame/machine/vino.cpp",
MAME_DIR .. "src/mame/machine/vino.h",
+ MAME_DIR .. "src/mame/machine/saa7191.cpp",
+ MAME_DIR .. "src/mame/machine/saa7191.h",
MAME_DIR .. "src/mame/machine/sgi.cpp",
MAME_DIR .. "src/mame/machine/sgi.h",
MAME_DIR .. "src/mame/machine/hal2.cpp",
diff --git a/src/mame/drivers/indy_indigo2.cpp b/src/mame/drivers/indy_indigo2.cpp
index 67cb1d7d889..79f691084ea 100644
--- a/src/mame/drivers/indy_indigo2.cpp
+++ b/src/mame/drivers/indy_indigo2.cpp
@@ -5,8 +5,9 @@
* SGI IP22/IP24 Indigo2/Indy workstation
*
* Known Issues:
-* - The proper hookup for the MAC address is unknown, requiring
-* a fake MAC to be set up before any IRIX installers will proceed.
+* - The MAC address is supplied by the NVRAM, requiring the user to
+* use "setenv -f eaddr 08:00:69:xx:yy:zz" from the Indy boot PROM
+* before any IRIX installers will proceed.
* - The Gentoo Linux live CD hangs on starting the kernel.
*
* Memory map:
@@ -68,6 +69,7 @@
#include "bus/nscsi/hd.h"
#include "machine/sgi.h"
#include "machine/vino.h"
+#include "machine/saa7191.h"
#include "machine/wd33c9x.h"
#include "sound/cdda.h"
@@ -93,6 +95,7 @@ public:
, m_ioc2(*this, "ioc2")
, m_rtc(*this, "rtc")
, m_vino(*this, "vino")
+ , m_dmsd(*this, "dmsd")
, m_gio64(*this, "gio64")
, m_gio64_gfx(*this, "gio64_gfx")
, m_gio64_exp0(*this, "gio64_exp0")
@@ -141,6 +144,7 @@ protected:
required_device<ioc2_device> m_ioc2;
required_device<ds1386_device> m_rtc;
optional_device<vino_device> m_vino;
+ optional_device<saa7191_device> m_dmsd;
optional_device<gio64_device> m_gio64;
optional_device<gio64_slot_device> m_gio64_gfx;
optional_device<gio64_slot_device> m_gio64_exp0;
@@ -393,7 +397,13 @@ void ip24_state::ip24(machine_config &config)
m_hpc3->set_addrmap(hpc3_device::AS_PIO6, &ip24_state::pio6_map);
SGI_IOC2_GUINNESS(config, m_ioc2, m_maincpu);
+
+ SAA7191(config, m_dmsd);
VINO(config, m_vino);
+ m_vino->i2c_data_out().set(m_dmsd, FUNC(saa7191_device::i2c_data_w));
+ m_vino->i2c_data_in().set(m_dmsd, FUNC(saa7191_device::i2c_data_r));
+ m_vino->i2c_stop().set(m_dmsd, FUNC(saa7191_device::i2c_stop_w));
+
DS1386_8K(config, m_rtc, 32768);
}
diff --git a/src/mame/machine/saa7191.cpp b/src/mame/machine/saa7191.cpp
new file mode 100644
index 00000000000..58adc913ebf
--- /dev/null
+++ b/src/mame/machine/saa7191.cpp
@@ -0,0 +1,231 @@
+// license:BSD-3-Clause
+// copyright-holders:Ryan Holtz
+/*********************************************************************
+
+ saa7191.cpp
+
+ Philips SAA7191B Digital Multistandard Colour Decoder (DMSD)
+
+ TODO:
+ - Actual functionality
+
+*********************************************************************/
+
+#include "emu.h"
+#include "saa7191.h"
+
+#define LOG_UNKNOWN (1 << 0)
+#define LOG_READS (1 << 1)
+#define LOG_WRITES (1 << 2)
+#define LOG_ERRORS (1 << 3)
+#define LOG_I2C_IGNORES (1 << 4)
+#define LOG_DEFAULT (LOG_READS | LOG_WRITES | LOG_ERRORS | LOG_I2C_IGNORES | LOG_UNKNOWN)
+
+#define VERBOSE (LOG_DEFAULT)
+#include "logmacro.h"
+
+DEFINE_DEVICE_TYPE(SAA7191, saa7191_device, "saa7191", "Philips SAA7191 DMSD")
+
+saa7191_device::saa7191_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
+ : device_t(mconfig, SAA7191, tag, owner, clock)
+ , m_chr_in(*this)
+ , m_cvbs_in(*this)
+ , m_y_out(*this)
+ , m_uv_out(*this)
+ , m_hs_out(*this)
+ , m_vs_out(*this)
+{
+}
+
+void saa7191_device::device_start()
+{
+ save_item(NAME(m_status));
+ save_item(NAME(m_regs));
+ save_item(NAME(m_i2c_write_addr));
+ save_item(NAME(m_i2c_read_addr));
+ save_item(NAME(m_i2c_subaddr));
+ save_item(NAME(m_i2c_state));
+
+ m_chr_in.resolve_safe(0);
+ m_cvbs_in.resolve_safe(0);
+
+ m_y_out.resolve_safe();
+ m_uv_out.resolve_safe();
+ m_hs_out.resolve_safe();
+ m_vs_out.resolve_safe();
+
+ m_input_clock = timer_alloc(TIMER_INPUT_CLOCK);
+ m_input_clock->adjust(attotime::never);
+}
+
+void saa7191_device::device_reset()
+{
+ m_status = 0;
+ memset(m_regs, 0, sizeof(uint8_t) * REG_COUNT);
+
+ m_i2c_write_addr = 0x8a;
+ m_i2c_read_addr = 0x8b;
+ m_i2c_subaddr = 0x00;
+ m_i2c_state = I2C_STATE_IDLE;
+
+ m_input_clock->adjust(attotime::never);
+}
+
+void saa7191_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
+{
+}
+
+WRITE8_MEMBER(saa7191_device::i2c_data_w)
+{
+ switch (m_i2c_state)
+ {
+ case I2C_STATE_IDLE:
+ if (data == m_i2c_write_addr)
+ m_i2c_state = I2C_STATE_SUBADDR_WRITE;
+ else if (data == m_i2c_read_addr)
+ m_i2c_state = I2C_STATE_SUBADDR_READ;
+ else
+ LOGMASKED(LOG_I2C_IGNORES, "I2C idle, address %02x ignored (mine are R:%02x/W:%02x)\n", data, m_i2c_read_addr, m_i2c_write_addr);
+ break;
+ case I2C_STATE_SUBADDR_WRITE:
+ m_i2c_subaddr = data;
+ m_i2c_state = I2C_STATE_DATA_WRITE;
+ break;
+ case I2C_STATE_SUBADDR_READ:
+ m_i2c_subaddr = data;
+ m_i2c_state = I2C_STATE_DATA_READ;
+ break;
+ case I2C_STATE_DATA_WRITE:
+ reg_w(space, m_i2c_subaddr, data);
+ m_i2c_subaddr = (m_i2c_subaddr + 1) % REG_COUNT;
+ break;
+ case I2C_STATE_DATA_READ:
+ LOGMASKED(LOG_ERRORS, "I2C is expecting a data read, but data was written, returning to idle\n");
+ m_i2c_state = I2C_STATE_IDLE;
+ break;
+ default:
+ LOGMASKED(LOG_ERRORS, "Unknown I2C state %d, returning to idle\n", m_i2c_state);
+ m_i2c_state = I2C_STATE_IDLE;
+ break;
+ }
+}
+
+READ8_MEMBER(saa7191_device::i2c_data_r)
+{
+ if (m_i2c_state != I2C_STATE_DATA_READ)
+ {
+ LOGMASKED(LOG_ERRORS, "i2c_data_r called, but we are in state %d and not expecting a data read, returning to idle\n", m_i2c_state);
+ m_i2c_state = I2C_STATE_IDLE;
+ return 0;
+ }
+ if (m_i2c_subaddr == 0x01)
+ {
+ LOGMASKED(LOG_READS, "i2c_data_r: Status = %02x\n", m_status);
+ m_i2c_subaddr = (m_i2c_subaddr + 1) % REG_COUNT;
+ return m_status;
+ }
+ LOGMASKED(LOG_UNKNOWN, "i2c_data_r: Unknown Sub-Address %02x, returning 0\n", m_i2c_subaddr);
+ m_i2c_subaddr = (m_i2c_subaddr + 1) % REG_COUNT;
+ return 0;
+}
+
+WRITE_LINE_MEMBER(saa7191_device::i2c_stop_w)
+{
+ if (state)
+ m_i2c_state = I2C_STATE_IDLE;
+}
+
+WRITE_LINE_MEMBER(saa7191_device::iicsa_w)
+{
+ m_i2c_write_addr = state ? 0x8e : 0x8a;
+ m_i2c_read_addr = m_i2c_write_addr | 1;
+}
+
+WRITE8_MEMBER(saa7191_device::reg_w)
+{
+ if (m_i2c_subaddr < REG_COUNT)
+ {
+ m_regs[m_i2c_subaddr] = data;
+ }
+
+ switch (m_i2c_subaddr)
+ {
+ case REG_IDEL:
+ LOGMASKED(LOG_WRITES, "i2c_data_w: Increment delay = %02x\n", data);
+ break;
+ case REG_HSYB:
+ LOGMASKED(LOG_WRITES, "i2c_data_w: H sync begin, 50Hz = %02x\n", data);
+ break;
+ case REG_HSYS:
+ LOGMASKED(LOG_WRITES, "i2c_data_w: H sync stop, 50Hz = %02x\n", data);
+ break;
+ case REG_HCLB:
+ LOGMASKED(LOG_WRITES, "i2c_data_w: H clamp begin, 50Hz = %02x\n", data);
+ break;
+ case REG_HCLS:
+ LOGMASKED(LOG_WRITES, "i2c_data_w: H clamp stop, 50Hz = %02x\n", data);
+ break;
+ case REG_HPHI:
+ LOGMASKED(LOG_WRITES, "i2c_data_w: H sync after PHI1, 50Hz = %02x\n", data);
+ break;
+ case REG_LUMC:
+ LOGMASKED(LOG_WRITES, "i2c_data_w: Luminance control = %02x\n", data);
+ break;
+ case REG_HUEC:
+ LOGMASKED(LOG_WRITES, "i2c_data_w: Hue control = %02x\n", data);
+ break;
+ case REG_CKTQ:
+ LOGMASKED(LOG_WRITES, "i2c_data_w: Colour killer threshold QAM = %02x\n", data);
+ break;
+ case REG_CKTS:
+ LOGMASKED(LOG_WRITES, "i2c_data_w: Colour killer threshold SECAM = %02x\n", data);
+ break;
+ case REG_PLSE:
+ LOGMASKED(LOG_WRITES, "i2c_data_w: PAL switch sensitivity = %02x\n", data);
+ break;
+ case REG_SESE:
+ LOGMASKED(LOG_WRITES, "i2c_data_w: SECAM switch sensitivity = %02x\n", data);
+ break;
+ case REG_GAIN:
+ LOGMASKED(LOG_WRITES, "i2c_data_w: Chroma gain control settings = %02x\n", data);
+ break;
+ case REG_STDC:
+ LOGMASKED(LOG_WRITES, "i2c_data_w: Standard/mode control = %02x\n", data);
+ break;
+ case REG_IOCK:
+ LOGMASKED(LOG_WRITES, "i2c_data_w: I/O and clock control = %02x\n", data);
+ break;
+ case REG_CTL1:
+ LOGMASKED(LOG_WRITES, "i2c_data_w: Control #1 = %02x\n", data);
+ break;
+ case REG_CTL2:
+ LOGMASKED(LOG_WRITES, "i2c_data_w: Control #2 = %02x\n", data);
+ break;
+ case REG_CHCV:
+ LOGMASKED(LOG_WRITES, "i2c_data_w: Chroma gain reference = %02x\n", data);
+ break;
+ case REG_HS6B:
+ LOGMASKED(LOG_WRITES, "i2c_data_w: H sync begin, 60Hz = %02x\n", data);
+ break;
+ case REG_HS6S:
+ LOGMASKED(LOG_WRITES, "i2c_data_w: H sync stop, 60Hz = %02x\n", data);
+ break;
+ case REG_HC6B:
+ LOGMASKED(LOG_WRITES, "i2c_data_w: H clamp begin, 60Hz = %02x\n", data);
+ break;
+ case REG_HC6S:
+ LOGMASKED(LOG_WRITES, "i2c_data_w: H clamp stop, 60Hz = %02x\n", data);
+ break;
+ case REG_HP6I:
+ LOGMASKED(LOG_WRITES, "i2c_data_w: H sync after PHI1, 60Hz = %02x\n", data);
+ break;
+ default:
+ LOGMASKED(LOG_WRITES, "i2c_data_w: Unknown Register %02x = %02x (ignored)\n", m_i2c_subaddr, data);
+ if (m_i2c_subaddr < REG_COUNT)
+ {
+ m_regs[m_i2c_subaddr] = 0;
+ }
+ break;
+ }
+}
+
diff --git a/src/mame/machine/saa7191.h b/src/mame/machine/saa7191.h
new file mode 100644
index 00000000000..b641aa46190
--- /dev/null
+++ b/src/mame/machine/saa7191.h
@@ -0,0 +1,177 @@
+// license:BSD-3-Clause
+// copyright-holders:Ryan Holtz
+/*********************************************************************
+
+ saa7191.h
+
+ Philips SAA7191B Digital Multistandard Colour Decoder (DMSD)
+
+ TODO:
+ - Actual functionality
+
+*********************************************************************/
+
+#ifndef MAME_MACHINE_SAA7191_H
+#define MAME_MACHINE_SAA7191_H
+
+#pragma once
+
+class saa7191_device : public device_t
+{
+public:
+ saa7191_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0U);
+
+ DECLARE_WRITE8_MEMBER(i2c_data_w);
+ DECLARE_READ8_MEMBER(i2c_data_r);
+ DECLARE_WRITE_LINE_MEMBER(i2c_stop_w);
+
+ DECLARE_WRITE_LINE_MEMBER(iicsa_w);
+
+ auto chr_in() { return m_chr_in.bind(); }
+ auto cvbs_in() { return m_cvbs_in.bind(); }
+
+ auto y_out() { return m_y_out.bind(); }
+ auto uv_out() { return m_uv_out.bind(); }
+ auto hs_out() { return m_hs_out.bind(); }
+ auto vs_out() { return m_vs_out.bind(); }
+
+protected:
+ // device-level overrides
+ virtual void device_start() override;
+ virtual void device_reset() override;
+ virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
+
+private:
+ DECLARE_WRITE8_MEMBER(reg_w);
+
+ enum
+ {
+ REG_IDEL = 0x00,
+ REG_HSYB = 0x01,
+ REG_HSYS = 0x02,
+ REG_HCLB = 0x03,
+ REG_HCLS = 0x04,
+ REG_HPHI = 0x05,
+ REG_LUMC = 0x06,
+ REG_HUEC = 0x07,
+ REG_CKTQ = 0x08,
+ REG_CKTS = 0x09,
+ REG_PLSE = 0x0a,
+ REG_SESE = 0x0b,
+ REG_GAIN = 0x0c,
+ REG_STDC = 0x0d,
+ REG_IOCK = 0x0e,
+ REG_CTL1 = 0x0f,
+ REG_CTL2 = 0x10,
+ REG_CHCV = 0x11,
+ REG_HS6B = 0x14,
+ REG_HS6S = 0x15,
+ REG_HC6B = 0x16,
+ REG_HC6S = 0x17,
+ REG_HP6I = 0x18,
+ REG_COUNT,
+
+ LUMC_APER_SHIFT = 0,
+ LUMC_APER_MASK = (3 << LUMC_APER_SHIFT),
+ LUMC_CORI_SHIFT = 2,
+ LUMC_CORI_MASK = (3 << LUMC_CORI_SHIFT),
+ LUMC_BPSS_SHIFT = 4,
+ LUMC_BPSS_MASK = (3 << LUMC_BPSS_SHIFT),
+ LUMC_PREF_BIT = 6,
+ LUMC_PREF_MASK = (1 << LUMC_PREF_BIT),
+ LUMC_BYPS_BIT = 7,
+ LUMC_BYPS_MASK = (1 << LUMC_BYPS_BIT),
+
+ CKTQ_SHIFT = 3,
+ CKTQ_MASK = (0x1f << CKTQ_SHIFT),
+ CKTS_SHIFT = 3,
+ CKTS_MASK = (0x1f << CKTS_SHIFT),
+
+ GAIN_LFIS_SHIFT = 5,
+ GAIN_LFIS_MASK = (3 << GAIN_LFIS_SHIFT),
+ GAIN_COLO_BIT = 7,
+ GAIN_COLO_MASK = (1 << GAIN_COLO_BIT),
+ GAIN_MASK = GAIN_LFIS_MASK | GAIN_COLO_MASK,
+
+ STDC_SECS_BIT = 0,
+ STDC_SECS_MASK = (1 << STDC_SECS_BIT),
+ STDC_GPSW0_BIT = 1,
+ STDC_GPSW0_MASK = (1 << STDC_GPSW0_BIT),
+ STDC_HRMV_BIT = 2,
+ STDC_HRMV_MASK = (1 << STDC_HRMV_BIT),
+ STDC_NFEN_BIT = 3,
+ STDC_NFEN_MASK = (1 << STDC_NFEN_BIT),
+ STDC_VTRC_BIT = 7,
+ STDC_VTRC_MASK = (1 << STDC_VTRC_BIT),
+ STDC_MASK = STDC_SECS_MASK | STDC_GPSW0_MASK | STDC_HRMV_MASK | STDC_NFEN_MASK | STDC_VTRC_MASK,
+
+ IOCK_GPSW1_BIT = 0,
+ IOCK_GPSW1_MASK = (1 << IOCK_GPSW1_BIT),
+ IOCK_GPSW2_BIT = 1,
+ IOCK_GPSW2_MASK = (1 << IOCK_GPSW2_BIT),
+ IOCK_CHRS_BIT = 2,
+ IOCK_CHRS_MASK = (1 << IOCK_CHRS_BIT),
+ IOCK_OEDY_BIT = 3,
+ IOCK_OEDY_MASK = (1 << IOCK_OEDY_BIT),
+ IOCK_OEVS_BIT = 4,
+ IOCK_OEVS_MASK = (1 << IOCK_OEVS_BIT),
+ IOCK_OEHS_BIT = 5,
+ IOCK_OEHS_MASK = (1 << IOCK_OEHS_BIT),
+ IOCK_OEDC_BIT = 6,
+ IOCK_OEDC_MASK = (1 << IOCK_OEDC_BIT),
+ IOCK_HPLL_BIT = 7,
+ IOCK_HPLL_MASK = (1 << IOCK_HPLL_BIT),
+
+ CTL1_YDEL_SHIFT = 0,
+ CTL1_YDEL_MASK = (7 << CTL1_YDEL_SHIFT),
+ CTL1_OFTS_BIT = 3,
+ CTL1_OFTS_MASK = (1 << CTL1_OFTS_BIT),
+ CTL1_SCEN_BIT = 4,
+ CTL1_SCEN_MASK = (1 << CTL1_SCEN_BIT),
+ CTL1_SXCR_BIT = 5,
+ CTL1_SXCR_MASK = (1 << CTL1_SXCR_BIT),
+ CTL1_FSEL_BIT = 6,
+ CTL1_FSEL_MASK = (1 << CTL1_FSEL_BIT),
+ CTL1_AUFD_BIT = 7,
+ CTL1_AUFD_MASK = (1 << CTL1_AUFD_BIT),
+
+ CTL2_VNOI_SHIFT = 0,
+ CTL2_VNOI_MASK = (3 << CTL2_VNOI_SHIFT),
+ CTL2_HRFS_SHIFT = 2,
+ CTL2_HRFS_MASK = (1 << CTL2_HRFS_SHIFT),
+ CTL2_MASK = CTL2_VNOI_MASK | CTL2_HRFS_MASK
+ };
+
+ enum
+ {
+ I2C_STATE_IDLE,
+ I2C_STATE_SUBADDR_READ,
+ I2C_STATE_SUBADDR_WRITE,
+ I2C_STATE_DATA_READ,
+ I2C_STATE_DATA_WRITE
+ };
+
+ static constexpr device_timer_id TIMER_INPUT_CLOCK = 0;
+
+ emu_timer *m_input_clock;
+
+ uint8_t m_status;
+ uint8_t m_regs[REG_COUNT];
+
+ uint8_t m_i2c_write_addr;
+ uint8_t m_i2c_read_addr;
+ uint8_t m_i2c_subaddr;
+ int m_i2c_state;
+
+ devcb_read8 m_chr_in;
+ devcb_read8 m_cvbs_in;
+
+ devcb_write8 m_y_out;
+ devcb_write8 m_uv_out;
+ devcb_write_line m_hs_out;
+ devcb_write_line m_vs_out;
+};
+
+DECLARE_DEVICE_TYPE(SAA7191, saa7191_device)
+
+#endif // MAME_MACHINE_SAA7191_H \ No newline at end of file
diff --git a/src/mame/machine/sgi.cpp b/src/mame/machine/sgi.cpp
index b978fc1f3df..f1fe3f20a21 100644
--- a/src/mame/machine/sgi.cpp
+++ b/src/mame/machine/sgi.cpp
@@ -84,7 +84,7 @@ void sgi_mc_device::device_resolve_objects()
void sgi_mc_device::device_start()
{
m_sys_id = 0x03; // rev. C MC
- m_sys_id = m_eisa_present() << 4;
+ m_sys_id |= m_eisa_present() << 4;
m_rpss_timer = timer_alloc(TIMER_RPSS);
m_rpss_timer->adjust(attotime::never);
diff --git a/src/mame/machine/vino.cpp b/src/mame/machine/vino.cpp
index 0535ed1d567..5f1044b2d39 100644
--- a/src/mame/machine/vino.cpp
+++ b/src/mame/machine/vino.cpp
@@ -2,7 +2,7 @@
// copyright-holders:Ryan Holtz
/*********************************************************************
- vino.c
+ vino.cpp
Silicon Graphics VINO (Video-In, No Out) controller emulation
@@ -23,6 +23,9 @@ DEFINE_DEVICE_TYPE(VINO, vino_device, "vino", "SGI VINO Controller")
vino_device::vino_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: device_t(mconfig, VINO, tag, owner, clock)
+ , m_i2c_data_out(*this)
+ , m_i2c_data_in(*this)
+ , m_i2c_stop(*this)
{
}
@@ -58,6 +61,10 @@ void vino_device::device_start()
save_item(NAME(m_channels[i].m_fifo_gio_ptr), i);
save_item(NAME(m_channels[i].m_fifo_video_ptr), i);
}
+
+ m_i2c_data_out.resolve_safe();
+ m_i2c_data_in.resolve_safe(0x00);
+ m_i2c_stop.resolve_safe();
}
void vino_device::device_reset()
diff --git a/src/mame/machine/vino.h b/src/mame/machine/vino.h
index 446664e626f..0c11247c2ab 100644
--- a/src/mame/machine/vino.h
+++ b/src/mame/machine/vino.h
@@ -21,6 +21,10 @@ public:
DECLARE_READ32_MEMBER(read);
DECLARE_WRITE32_MEMBER(write);
+ auto i2c_data_out() { return m_i2c_data_out.bind(); }
+ auto i2c_data_in() { return m_i2c_data_in.bind(); }
+ auto i2c_stop() { return m_i2c_stop.bind(); }
+
protected:
// device-level overrides
virtual void device_start() override;
@@ -155,6 +159,10 @@ private:
uint32_t m_i2c_ctrl;
uint32_t m_i2c_data;
channel_t m_channels[2];
+
+ devcb_write8 m_i2c_data_out;
+ devcb_read8 m_i2c_data_in;
+ devcb_write_line m_i2c_stop;
};
DECLARE_DEVICE_TYPE(VINO, vino_device)