--- /dev/null
+/*
+ * Copyright(c) 2011-2016 Intel Corporation. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Authors:
+ * Ke Yu
+ * Zhiyuan Lv <zhiyuan.lv@intel.com>
+ *
+ * Contributors:
+ * Terrence Xu <terrence.xu@intel.com>
+ * Changbin Du <changbin.du@intel.com>
+ * Bing Niu <bing.niu@intel.com>
+ * Zhi Wang <zhi.a.wang@intel.com>
+ *
+ */
+
+#include "i915_drv.h"
+
+#define GMBUS1_TOTAL_BYTES_SHIFT 16
+#define GMBUS1_TOTAL_BYTES_MASK 0x1ff
+#define gmbus1_total_byte_count(v) (((v) >> \
+ GMBUS1_TOTAL_BYTES_SHIFT) & GMBUS1_TOTAL_BYTES_MASK)
+#define gmbus1_slave_addr(v) (((v) & 0xff) >> 1)
+#define gmbus1_slave_index(v) (((v) >> 8) & 0xff)
+#define gmbus1_bus_cycle(v) (((v) >> 25) & 0x7)
+
+/* GMBUS0 bits definitions */
+#define _GMBUS_PIN_SEL_MASK (0x7)
+
+static unsigned char edid_get_byte(struct intel_vgpu *vgpu)
+{
+ struct intel_vgpu_i2c_edid *edid = &vgpu->display.i2c_edid;
+ unsigned char chr = 0;
+
+ if (edid->state == I2C_NOT_SPECIFIED || !edid->slave_selected) {
+ gvt_err("Driver tries to read EDID without proper sequence!\n");
+ return 0;
+ }
+ if (edid->current_edid_read >= EDID_SIZE) {
+ gvt_err("edid_get_byte() exceeds the size of EDID!\n");
+ return 0;
+ }
+
+ if (!edid->edid_available) {
+ gvt_err("Reading EDID but EDID is not available!\n");
+ return 0;
+ }
+
+ if (intel_vgpu_has_monitor_on_port(vgpu, edid->port)) {
+ struct intel_vgpu_edid_data *edid_data =
+ intel_vgpu_port(vgpu, edid->port)->edid;
+
+ chr = edid_data->edid_block[edid->current_edid_read];
+ edid->current_edid_read++;
+ } else {
+ gvt_err("No EDID available during the reading?\n");
+ }
+ return chr;
+}
+
+static inline int get_port_from_gmbus0(u32 gmbus0)
+{
+ int port_select = gmbus0 & _GMBUS_PIN_SEL_MASK;
+ int port = -EINVAL;
+
+ if (port_select == 2)
+ port = PORT_E;
+ else if (port_select == 4)
+ port = PORT_C;
+ else if (port_select == 5)
+ port = PORT_B;
+ else if (port_select == 6)
+ port = PORT_D;
+ return port;
+}
+
+static void reset_gmbus_controller(struct intel_vgpu *vgpu)
+{
+ vgpu_vreg(vgpu, PCH_GMBUS2) = GMBUS_HW_RDY;
+ if (!vgpu->display.i2c_edid.edid_available)
+ vgpu_vreg(vgpu, PCH_GMBUS2) |= GMBUS_SATOER;
+ vgpu->display.i2c_edid.gmbus.phase = GMBUS_IDLE_PHASE;
+}
+
+/* GMBUS0 */
+static int gmbus0_mmio_write(struct intel_vgpu *vgpu,
+ unsigned int offset, void *p_data, unsigned int bytes)
+{
+ int port, pin_select;
+
+ memcpy(&vgpu_vreg(vgpu, offset), p_data, bytes);
+
+ pin_select = vgpu_vreg(vgpu, offset) & _GMBUS_PIN_SEL_MASK;
+
+ intel_vgpu_init_i2c_edid(vgpu);
+
+ if (pin_select == 0)
+ return 0;
+
+ port = get_port_from_gmbus0(pin_select);
+ if (WARN_ON(port < 0))
+ return 0;
+
+ vgpu->display.i2c_edid.state = I2C_GMBUS;
+ vgpu->display.i2c_edid.gmbus.phase = GMBUS_IDLE_PHASE;
+
+ vgpu_vreg(vgpu, PCH_GMBUS2) &= ~GMBUS_ACTIVE;
+ vgpu_vreg(vgpu, PCH_GMBUS2) |= GMBUS_HW_RDY | GMBUS_HW_WAIT_PHASE;
+
+ if (intel_vgpu_has_monitor_on_port(vgpu, port) &&
+ !intel_vgpu_port_is_dp(vgpu, port)) {
+ vgpu->display.i2c_edid.port = port;
+ vgpu->display.i2c_edid.edid_available = true;
+ vgpu_vreg(vgpu, PCH_GMBUS2) &= ~GMBUS_SATOER;
+ } else
+ vgpu_vreg(vgpu, PCH_GMBUS2) |= GMBUS_SATOER;
+ return 0;
+}
+
+static int gmbus1_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
+ void *p_data, unsigned int bytes)
+{
+ struct intel_vgpu_i2c_edid *i2c_edid = &vgpu->display.i2c_edid;
+ u32 slave_addr;
+ u32 wvalue = *(u32 *)p_data;
+
+ if (vgpu_vreg(vgpu, offset) & GMBUS_SW_CLR_INT) {
+ if (!(wvalue & GMBUS_SW_CLR_INT)) {
+ vgpu_vreg(vgpu, offset) &= ~GMBUS_SW_CLR_INT;
+ reset_gmbus_controller(vgpu);
+ }
+ /*
+ * TODO: "This bit is cleared to zero when an event
+ * causes the HW_RDY bit transition to occur "
+ */
+ } else {
+ /*
+ * per bspec setting this bit can cause:
+ * 1) INT status bit cleared
+ * 2) HW_RDY bit asserted
+ */
+ if (wvalue & GMBUS_SW_CLR_INT) {
+ vgpu_vreg(vgpu, PCH_GMBUS2) &= ~GMBUS_INT;
+ vgpu_vreg(vgpu, PCH_GMBUS2) |= GMBUS_HW_RDY;
+ }
+
+ /* For virtualization, we suppose that HW is always ready,
+ * so GMBUS_SW_RDY should always be cleared
+ */
+ if (wvalue & GMBUS_SW_RDY)
+ wvalue &= ~GMBUS_SW_RDY;
+
+ i2c_edid->gmbus.total_byte_count =
+ gmbus1_total_byte_count(wvalue);
+ slave_addr = gmbus1_slave_addr(wvalue);
+
+ /* vgpu gmbus only support EDID */
+ if (slave_addr == EDID_ADDR) {
+ i2c_edid->slave_selected = true;
+ } else if (slave_addr != 0) {
+ gvt_dbg_dpy(
+ "vgpu%d: unsupported gmbus slave addr(0x%x)\n"
+ " gmbus operations will be ignored.\n",
+ vgpu->id, slave_addr);
+ }
+
+ if (wvalue & GMBUS_CYCLE_INDEX)
+ i2c_edid->current_edid_read =
+ gmbus1_slave_index(wvalue);
+
+ i2c_edid->gmbus.cycle_type = gmbus1_bus_cycle(wvalue);
+ switch (gmbus1_bus_cycle(wvalue)) {
+ case GMBUS_NOCYCLE:
+ break;
+ case GMBUS_STOP:
+ /* From spec:
+ * This can only cause a STOP to be generated
+ * if a GMBUS cycle is generated, the GMBUS is
+ * currently in a data/wait/idle phase, or it is in a
+ * WAIT phase
+ */
+ if (gmbus1_bus_cycle(vgpu_vreg(vgpu, offset))
+ != GMBUS_NOCYCLE) {
+ intel_vgpu_init_i2c_edid(vgpu);
+ /* After the 'stop' cycle, hw state would become
+ * 'stop phase' and then 'idle phase' after a
+ * few milliseconds. In emulation, we just set
+ * it as 'idle phase' ('stop phase' is not
+ * visible in gmbus interface)
+ */
+ i2c_edid->gmbus.phase = GMBUS_IDLE_PHASE;
+ vgpu_vreg(vgpu, PCH_GMBUS2) &= ~GMBUS_ACTIVE;
+ }
+ break;
+ case NIDX_NS_W:
+ case IDX_NS_W:
+ case NIDX_STOP:
+ case IDX_STOP:
+ /* From hw spec the GMBUS phase
+ * transition like this:
+ * START (-->INDEX) -->DATA
+ */
+ i2c_edid->gmbus.phase = GMBUS_DATA_PHASE;
+ vgpu_vreg(vgpu, PCH_GMBUS2) |= GMBUS_ACTIVE;
+ break;
+ default:
+ gvt_err("Unknown/reserved GMBUS cycle detected!\n");
+ break;
+ }
+ /*
+ * From hw spec the WAIT state will be
+ * cleared:
+ * (1) in a new GMBUS cycle
+ * (2) by generating a stop
+ */
+ vgpu_vreg(vgpu, offset) = wvalue;
+ }
+ return 0;
+}
+
+static int gmbus3_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
+ void *p_data, unsigned int bytes)
+{
+ WARN_ON(1);
+ return 0;
+}
+
+static int gmbus3_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
+ void *p_data, unsigned int bytes)
+{
+ int i;
+ unsigned char byte_data;
+ struct intel_vgpu_i2c_edid *i2c_edid = &vgpu->display.i2c_edid;
+ int byte_left = i2c_edid->gmbus.total_byte_count -
+ i2c_edid->current_edid_read;
+ int byte_count = byte_left;
+ u32 reg_data = 0;
+
+ /* Data can only be recevied if previous settings correct */
+ if (vgpu_vreg(vgpu, PCH_GMBUS1) & GMBUS_SLAVE_READ) {
+ if (byte_left <= 0) {
+ memcpy(p_data, &vgpu_vreg(vgpu, offset), bytes);
+ return 0;
+ }
+
+ if (byte_count > 4)
+ byte_count = 4;
+ for (i = 0; i < byte_count; i++) {
+ byte_data = edid_get_byte(vgpu);
+ reg_data |= (byte_data << (i << 3));
+ }
+
+ memcpy(&vgpu_vreg(vgpu, offset), ®_data, byte_count);
+ memcpy(p_data, &vgpu_vreg(vgpu, offset), bytes);
+
+ if (byte_left <= 4) {
+ switch (i2c_edid->gmbus.cycle_type) {
+ case NIDX_STOP:
+ case IDX_STOP:
+ i2c_edid->gmbus.phase = GMBUS_IDLE_PHASE;
+ break;
+ case NIDX_NS_W:
+ case IDX_NS_W:
+ default:
+ i2c_edid->gmbus.phase = GMBUS_WAIT_PHASE;
+ break;
+ }
+ intel_vgpu_init_i2c_edid(vgpu);
+ }
+ /*
+ * Read GMBUS3 during send operation,
+ * return the latest written value
+ */
+ } else {
+ memcpy(p_data, &vgpu_vreg(vgpu, offset), bytes);
+ gvt_err("vgpu%d: warning: gmbus3 read with nothing returned\n",
+ vgpu->id);
+ }
+ return 0;
+}
+
+static int gmbus2_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
+ void *p_data, unsigned int bytes)
+{
+ u32 value = vgpu_vreg(vgpu, offset);
+
+ if (!(vgpu_vreg(vgpu, offset) & GMBUS_INUSE))
+ vgpu_vreg(vgpu, offset) |= GMBUS_INUSE;
+ memcpy(p_data, (void *)&value, bytes);
+ return 0;
+}
+
+static int gmbus2_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
+ void *p_data, unsigned int bytes)
+{
+ u32 wvalue = *(u32 *)p_data;
+
+ if (wvalue & GMBUS_INUSE)
+ vgpu_vreg(vgpu, offset) &= ~GMBUS_INUSE;
+ /* All other bits are read-only */
+ return 0;
+}
+
+/**
+ * intel_gvt_i2c_handle_gmbus_read - emulate gmbus register mmio read
+ * @vgpu: a vGPU
+ *
+ * This function is used to emulate gmbus register mmio read
+ *
+ * Returns:
+ * Zero on success, negative error code if failed.
+ *
+ */
+int intel_gvt_i2c_handle_gmbus_read(struct intel_vgpu *vgpu,
+ unsigned int offset, void *p_data, unsigned int bytes)
+{
+ if (WARN_ON(bytes > 8 && (offset & (bytes - 1))))
+ return -EINVAL;
+
+ if (offset == i915_mmio_reg_offset(PCH_GMBUS2))
+ return gmbus2_mmio_read(vgpu, offset, p_data, bytes);
+ else if (offset == i915_mmio_reg_offset(PCH_GMBUS3))
+ return gmbus3_mmio_read(vgpu, offset, p_data, bytes);
+
+ memcpy(p_data, &vgpu_vreg(vgpu, offset), bytes);
+ return 0;
+}
+
+/**
+ * intel_gvt_i2c_handle_gmbus_write - emulate gmbus register mmio write
+ * @vgpu: a vGPU
+ *
+ * This function is used to emulate gmbus register mmio write
+ *
+ * Returns:
+ * Zero on success, negative error code if failed.
+ *
+ */
+int intel_gvt_i2c_handle_gmbus_write(struct intel_vgpu *vgpu,
+ unsigned int offset, void *p_data, unsigned int bytes)
+{
+ if (WARN_ON(bytes > 8 && (offset & (bytes - 1))))
+ return -EINVAL;
+
+ if (offset == i915_mmio_reg_offset(PCH_GMBUS0))
+ return gmbus0_mmio_write(vgpu, offset, p_data, bytes);
+ else if (offset == i915_mmio_reg_offset(PCH_GMBUS1))
+ return gmbus1_mmio_write(vgpu, offset, p_data, bytes);
+ else if (offset == i915_mmio_reg_offset(PCH_GMBUS2))
+ return gmbus2_mmio_write(vgpu, offset, p_data, bytes);
+ else if (offset == i915_mmio_reg_offset(PCH_GMBUS3))
+ return gmbus3_mmio_write(vgpu, offset, p_data, bytes);
+
+ memcpy(&vgpu_vreg(vgpu, offset), p_data, bytes);
+ return 0;
+}
+
+enum {
+ AUX_CH_CTL = 0,
+ AUX_CH_DATA1,
+ AUX_CH_DATA2,
+ AUX_CH_DATA3,
+ AUX_CH_DATA4,
+ AUX_CH_DATA5
+};
+
+static inline int get_aux_ch_reg(unsigned int offset)
+{
+ int reg;
+
+ switch (offset & 0xff) {
+ case 0x10:
+ reg = AUX_CH_CTL;
+ break;
+ case 0x14:
+ reg = AUX_CH_DATA1;
+ break;
+ case 0x18:
+ reg = AUX_CH_DATA2;
+ break;
+ case 0x1c:
+ reg = AUX_CH_DATA3;
+ break;
+ case 0x20:
+ reg = AUX_CH_DATA4;
+ break;
+ case 0x24:
+ reg = AUX_CH_DATA5;
+ break;
+ default:
+ reg = -1;
+ break;
+ }
+ return reg;
+}
+
+#define AUX_CTL_MSG_LENGTH(reg) \
+ ((reg & DP_AUX_CH_CTL_MESSAGE_SIZE_MASK) >> \
+ DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT)
+
+/**
+ * intel_gvt_i2c_handle_aux_ch_write - emulate AUX channel register write
+ * @vgpu: a vGPU
+ *
+ * This function is used to emulate AUX channel register write
+ *
+ */
+void intel_gvt_i2c_handle_aux_ch_write(struct intel_vgpu *vgpu,
+ int port_idx,
+ unsigned int offset,
+ void *p_data)
+{
+ struct intel_vgpu_i2c_edid *i2c_edid = &vgpu->display.i2c_edid;
+ int msg_length, ret_msg_size;
+ int msg, addr, ctrl, op;
+ u32 value = *(u32 *)p_data;
+ int aux_data_for_write = 0;
+ int reg = get_aux_ch_reg(offset);
+
+ if (reg != AUX_CH_CTL) {
+ vgpu_vreg(vgpu, offset) = value;
+ return;
+ }
+
+ msg_length = AUX_CTL_MSG_LENGTH(value);
+ // check the msg in DATA register.
+ msg = vgpu_vreg(vgpu, offset + 4);
+ addr = (msg >> 8) & 0xffff;
+ ctrl = (msg >> 24) & 0xff;
+ op = ctrl >> 4;
+ if (!(value & DP_AUX_CH_CTL_SEND_BUSY)) {
+ /* The ctl write to clear some states */
+ return;
+ }
+
+ /* Always set the wanted value for vms. */
+ ret_msg_size = (((op & 0x1) == GVT_AUX_I2C_READ) ? 2 : 1);
+ vgpu_vreg(vgpu, offset) =
+ DP_AUX_CH_CTL_DONE |
+ ((ret_msg_size << DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT) &
+ DP_AUX_CH_CTL_MESSAGE_SIZE_MASK);
+
+ if (msg_length == 3) {
+ if (!(op & GVT_AUX_I2C_MOT)) {
+ /* stop */
+ intel_vgpu_init_i2c_edid(vgpu);
+ } else {
+ /* start or restart */
+ i2c_edid->aux_ch.i2c_over_aux_ch = true;
+ i2c_edid->aux_ch.aux_ch_mot = true;
+ if (addr == 0) {
+ /* reset the address */
+ intel_vgpu_init_i2c_edid(vgpu);
+ } else if (addr == EDID_ADDR) {
+ i2c_edid->state = I2C_AUX_CH;
+ i2c_edid->port = port_idx;
+ i2c_edid->slave_selected = true;
+ if (intel_vgpu_has_monitor_on_port(vgpu,
+ port_idx) &&
+ intel_vgpu_port_is_dp(vgpu, port_idx))
+ i2c_edid->edid_available = true;
+ }
+ }
+ } else if ((op & 0x1) == GVT_AUX_I2C_WRITE) {
+ /* TODO
+ * We only support EDID reading from I2C_over_AUX. And
+ * we do not expect the index mode to be used. Right now
+ * the WRITE operation is ignored. It is good enough to
+ * support the gfx driver to do EDID access.
+ */
+ } else {
+ if (WARN_ON((op & 0x1) != GVT_AUX_I2C_READ))
+ return;
+ if (WARN_ON(msg_length != 4))
+ return;
+ if (i2c_edid->edid_available && i2c_edid->slave_selected) {
+ unsigned char val = edid_get_byte(vgpu);
+
+ aux_data_for_write = (val << 16);
+ }
+ }
+ /* write the return value in AUX_CH_DATA reg which includes:
+ * ACK of I2C_WRITE
+ * returned byte if it is READ
+ */
+
+ aux_data_for_write |= (GVT_AUX_I2C_REPLY_ACK & 0xff) << 24;
+ vgpu_vreg(vgpu, offset + 4) = aux_data_for_write;
+}
+
+/**
+ * intel_vgpu_init_i2c_edid - initialize vGPU i2c edid emulation
+ * @vgpu: a vGPU
+ *
+ * This function is used to initialize vGPU i2c edid emulation stuffs
+ *
+ */
+void intel_vgpu_init_i2c_edid(struct intel_vgpu *vgpu)
+{
+ struct intel_vgpu_i2c_edid *edid = &vgpu->display.i2c_edid;
+
+ edid->state = I2C_NOT_SPECIFIED;
+
+ edid->port = -1;
+ edid->slave_selected = false;
+ edid->edid_available = false;
+ edid->current_edid_read = 0;
+
+ memset(&edid->gmbus, 0, sizeof(struct intel_vgpu_i2c_gmbus));
+
+ edid->aux_ch.i2c_over_aux_ch = false;
+ edid->aux_ch.aux_ch_mot = false;
+}
return 0;
}
+static int gmbus_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
+ void *p_data, unsigned int bytes)
+{
+ return intel_gvt_i2c_handle_gmbus_read(vgpu, offset, p_data, bytes);
+}
+
+static int gmbus_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
+ void *p_data, unsigned int bytes)
+{
+ return intel_gvt_i2c_handle_gmbus_write(vgpu, offset, p_data, bytes);
+}
+
+static int pch_pp_control_mmio_write(struct intel_vgpu *vgpu,
+ unsigned int offset, void *p_data, unsigned int bytes)
+{
+ write_vreg(vgpu, offset, p_data, bytes);
+
+ if (vgpu_vreg(vgpu, offset) & PANEL_POWER_ON) {
+ vgpu_vreg(vgpu, PCH_PP_STATUS) |= PP_ON;
+ vgpu_vreg(vgpu, PCH_PP_STATUS) |= PP_SEQUENCE_STATE_ON_IDLE;
+ vgpu_vreg(vgpu, PCH_PP_STATUS) &= ~PP_SEQUENCE_POWER_DOWN;
+ vgpu_vreg(vgpu, PCH_PP_STATUS) &= ~PP_CYCLE_DELAY_ACTIVE;
+
+ } else
+ vgpu_vreg(vgpu, PCH_PP_STATUS) &=
+ ~(PP_ON | PP_SEQUENCE_POWER_DOWN
+ | PP_CYCLE_DELAY_ACTIVE);
+ return 0;
+}
+
+static int transconf_mmio_write(struct intel_vgpu *vgpu,
+ unsigned int offset, void *p_data, unsigned int bytes)
+{
+ write_vreg(vgpu, offset, p_data, bytes);
+
+ if (vgpu_vreg(vgpu, offset) & TRANS_ENABLE)
+ vgpu_vreg(vgpu, offset) |= TRANS_STATE_ENABLE;
+ else
+ vgpu_vreg(vgpu, offset) &= ~TRANS_STATE_ENABLE;
+ return 0;
+}
+
+static int lcpll_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
+ void *p_data, unsigned int bytes)
+{
+ write_vreg(vgpu, offset, p_data, bytes);
+
+ if (vgpu_vreg(vgpu, offset) & LCPLL_PLL_DISABLE)
+ vgpu_vreg(vgpu, offset) &= ~LCPLL_PLL_LOCK;
+ else
+ vgpu_vreg(vgpu, offset) |= LCPLL_PLL_LOCK;
+
+ if (vgpu_vreg(vgpu, offset) & LCPLL_CD_SOURCE_FCLK)
+ vgpu_vreg(vgpu, offset) |= LCPLL_CD_SOURCE_FCLK_DONE;
+ else
+ vgpu_vreg(vgpu, offset) &= ~LCPLL_CD_SOURCE_FCLK_DONE;
+
+ return 0;
+}
+
+static int dpy_reg_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
+ void *p_data, unsigned int bytes)
+{
+ *(u32 *)p_data = (1 << 17);
+ return 0;
+}
+
+static int dpy_reg_mmio_read_2(struct intel_vgpu *vgpu, unsigned int offset,
+ void *p_data, unsigned int bytes)
+{
+ *(u32 *)p_data = 3;
+ return 0;
+}
+
+static int dpy_reg_mmio_read_3(struct intel_vgpu *vgpu, unsigned int offset,
+ void *p_data, unsigned int bytes)
+{
+ *(u32 *)p_data = (0x2f << 16);
+ return 0;
+}
+
+static int pipeconf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
+ void *p_data, unsigned int bytes)
+{
+ u32 data;
+
+ write_vreg(vgpu, offset, p_data, bytes);
+ data = vgpu_vreg(vgpu, offset);
+
+ if (data & PIPECONF_ENABLE)
+ vgpu_vreg(vgpu, offset) |= I965_PIPECONF_ACTIVE;
+ else
+ vgpu_vreg(vgpu, offset) &= ~I965_PIPECONF_ACTIVE;
+ intel_gvt_check_vblank_emulation(vgpu->gvt);
+ return 0;
+}
+
+static int ddi_buf_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
+ void *p_data, unsigned int bytes)
+{
+ write_vreg(vgpu, offset, p_data, bytes);
+
+ if (vgpu_vreg(vgpu, offset) & DDI_BUF_CTL_ENABLE) {
+ vgpu_vreg(vgpu, offset) &= ~DDI_BUF_IS_IDLE;
+ } else {
+ vgpu_vreg(vgpu, offset) |= DDI_BUF_IS_IDLE;
+ if (offset == i915_mmio_reg_offset(DDI_BUF_CTL(PORT_E)))
+ vgpu_vreg(vgpu, DP_TP_STATUS(PORT_E))
+ &= ~DP_TP_STATUS_AUTOTRAIN_DONE;
+ }
+ return 0;
+}
+
+static int fdi_rx_iir_mmio_write(struct intel_vgpu *vgpu,
+ unsigned int offset, void *p_data, unsigned int bytes)
+{
+ vgpu_vreg(vgpu, offset) &= ~*(u32 *)p_data;
+ return 0;
+}
+
+#define FDI_LINK_TRAIN_PATTERN1 0
+#define FDI_LINK_TRAIN_PATTERN2 1
+
+static int fdi_auto_training_started(struct intel_vgpu *vgpu)
+{
+ u32 ddi_buf_ctl = vgpu_vreg(vgpu, DDI_BUF_CTL(PORT_E));
+ u32 rx_ctl = vgpu_vreg(vgpu, _FDI_RXA_CTL);
+ u32 tx_ctl = vgpu_vreg(vgpu, DP_TP_CTL(PORT_E));
+
+ if ((ddi_buf_ctl & DDI_BUF_CTL_ENABLE) &&
+ (rx_ctl & FDI_RX_ENABLE) &&
+ (rx_ctl & FDI_AUTO_TRAINING) &&
+ (tx_ctl & DP_TP_CTL_ENABLE) &&
+ (tx_ctl & DP_TP_CTL_FDI_AUTOTRAIN))
+ return 1;
+ else
+ return 0;
+}
+
+static int check_fdi_rx_train_status(struct intel_vgpu *vgpu,
+ enum pipe pipe, unsigned int train_pattern)
+{
+ i915_reg_t fdi_rx_imr, fdi_tx_ctl, fdi_rx_ctl;
+ unsigned int fdi_rx_check_bits, fdi_tx_check_bits;
+ unsigned int fdi_rx_train_bits, fdi_tx_train_bits;
+ unsigned int fdi_iir_check_bits;
+
+ fdi_rx_imr = FDI_RX_IMR(pipe);
+ fdi_tx_ctl = FDI_TX_CTL(pipe);
+ fdi_rx_ctl = FDI_RX_CTL(pipe);
+
+ if (train_pattern == FDI_LINK_TRAIN_PATTERN1) {
+ fdi_rx_train_bits = FDI_LINK_TRAIN_PATTERN_1_CPT;
+ fdi_tx_train_bits = FDI_LINK_TRAIN_PATTERN_1;
+ fdi_iir_check_bits = FDI_RX_BIT_LOCK;
+ } else if (train_pattern == FDI_LINK_TRAIN_PATTERN2) {
+ fdi_rx_train_bits = FDI_LINK_TRAIN_PATTERN_2_CPT;
+ fdi_tx_train_bits = FDI_LINK_TRAIN_PATTERN_2;
+ fdi_iir_check_bits = FDI_RX_SYMBOL_LOCK;
+ } else {
+ gvt_err("Invalid train pattern %d\n", train_pattern);
+ return -EINVAL;
+ }
+
+ fdi_rx_check_bits = FDI_RX_ENABLE | fdi_rx_train_bits;
+ fdi_tx_check_bits = FDI_TX_ENABLE | fdi_tx_train_bits;
+
+ /* If imr bit has been masked */
+ if (vgpu_vreg(vgpu, fdi_rx_imr) & fdi_iir_check_bits)
+ return 0;
+
+ if (((vgpu_vreg(vgpu, fdi_tx_ctl) & fdi_tx_check_bits)
+ == fdi_tx_check_bits)
+ && ((vgpu_vreg(vgpu, fdi_rx_ctl) & fdi_rx_check_bits)
+ == fdi_rx_check_bits))
+ return 1;
+ else
+ return 0;
+}
+
+#define INVALID_INDEX (~0U)
+
+static unsigned int calc_index(unsigned int offset, unsigned int start,
+ unsigned int next, unsigned int end, i915_reg_t i915_end)
+{
+ unsigned int range = next - start;
+
+ if (!end)
+ end = i915_mmio_reg_offset(i915_end);
+ if (offset < start || offset > end)
+ return INVALID_INDEX;
+ offset -= start;
+ return offset / range;
+}
+
+#define FDI_RX_CTL_TO_PIPE(offset) \
+ calc_index(offset, _FDI_RXA_CTL, _FDI_RXB_CTL, 0, FDI_RX_CTL(PIPE_C))
+
+#define FDI_TX_CTL_TO_PIPE(offset) \
+ calc_index(offset, _FDI_TXA_CTL, _FDI_TXB_CTL, 0, FDI_TX_CTL(PIPE_C))
+
+#define FDI_RX_IMR_TO_PIPE(offset) \
+ calc_index(offset, _FDI_RXA_IMR, _FDI_RXB_IMR, 0, FDI_RX_IMR(PIPE_C))
+
+static int update_fdi_rx_iir_status(struct intel_vgpu *vgpu,
+ unsigned int offset, void *p_data, unsigned int bytes)
+{
+ i915_reg_t fdi_rx_iir;
+ unsigned int index;
+ int ret;
+
+ if (FDI_RX_CTL_TO_PIPE(offset) != INVALID_INDEX)
+ index = FDI_RX_CTL_TO_PIPE(offset);
+ else if (FDI_TX_CTL_TO_PIPE(offset) != INVALID_INDEX)
+ index = FDI_TX_CTL_TO_PIPE(offset);
+ else if (FDI_RX_IMR_TO_PIPE(offset) != INVALID_INDEX)
+ index = FDI_RX_IMR_TO_PIPE(offset);
+ else {
+ gvt_err("Unsupport registers %x\n", offset);
+ return -EINVAL;
+ }
+
+ write_vreg(vgpu, offset, p_data, bytes);
+
+ fdi_rx_iir = FDI_RX_IIR(index);
+
+ ret = check_fdi_rx_train_status(vgpu, index, FDI_LINK_TRAIN_PATTERN1);
+ if (ret < 0)
+ return ret;
+ if (ret)
+ vgpu_vreg(vgpu, fdi_rx_iir) |= FDI_RX_BIT_LOCK;
+
+ ret = check_fdi_rx_train_status(vgpu, index, FDI_LINK_TRAIN_PATTERN2);
+ if (ret < 0)
+ return ret;
+ if (ret)
+ vgpu_vreg(vgpu, fdi_rx_iir) |= FDI_RX_SYMBOL_LOCK;
+
+ if (offset == _FDI_RXA_CTL)
+ if (fdi_auto_training_started(vgpu))
+ vgpu_vreg(vgpu, DP_TP_STATUS(PORT_E)) |=
+ DP_TP_STATUS_AUTOTRAIN_DONE;
+ return 0;
+}
+
+#define DP_TP_CTL_TO_PORT(offset) \
+ calc_index(offset, _DP_TP_CTL_A, _DP_TP_CTL_B, 0, DP_TP_CTL(PORT_E))
+
+static int dp_tp_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
+ void *p_data, unsigned int bytes)
+{
+ i915_reg_t status_reg;
+ unsigned int index;
+ u32 data;
+
+ write_vreg(vgpu, offset, p_data, bytes);
+
+ index = DP_TP_CTL_TO_PORT(offset);
+ data = (vgpu_vreg(vgpu, offset) & GENMASK(10, 8)) >> 8;
+ if (data == 0x2) {
+ status_reg = DP_TP_STATUS(index);
+ vgpu_vreg(vgpu, status_reg) |= (1 << 25);
+ }
+ return 0;
+}
+
+static int dp_tp_status_mmio_write(struct intel_vgpu *vgpu,
+ unsigned int offset, void *p_data, unsigned int bytes)
+{
+ u32 reg_val;
+ u32 sticky_mask;
+
+ reg_val = *((u32 *)p_data);
+ sticky_mask = GENMASK(27, 26) | (1 << 24);
+
+ vgpu_vreg(vgpu, offset) = (reg_val & ~sticky_mask) |
+ (vgpu_vreg(vgpu, offset) & sticky_mask);
+ vgpu_vreg(vgpu, offset) &= ~(reg_val & sticky_mask);
+ return 0;
+}
+
+static int pch_adpa_mmio_write(struct intel_vgpu *vgpu,
+ unsigned int offset, void *p_data, unsigned int bytes)
+{
+ u32 data;
+
+ write_vreg(vgpu, offset, p_data, bytes);
+ data = vgpu_vreg(vgpu, offset);
+
+ if (data & ADPA_CRT_HOTPLUG_FORCE_TRIGGER)
+ vgpu_vreg(vgpu, offset) &= ~ADPA_CRT_HOTPLUG_FORCE_TRIGGER;
+ return 0;
+}
+
+static int south_chicken2_mmio_write(struct intel_vgpu *vgpu,
+ unsigned int offset, void *p_data, unsigned int bytes)
+{
+ u32 data;
+
+ write_vreg(vgpu, offset, p_data, bytes);
+ data = vgpu_vreg(vgpu, offset);
+
+ if (data & FDI_MPHY_IOSFSB_RESET_CTL)
+ vgpu_vreg(vgpu, offset) |= FDI_MPHY_IOSFSB_RESET_STATUS;
+ else
+ vgpu_vreg(vgpu, offset) &= ~FDI_MPHY_IOSFSB_RESET_STATUS;
+ return 0;
+}
+
+#define DSPSURF_TO_PIPE(offset) \
+ calc_index(offset, _DSPASURF, _DSPBSURF, 0, DSPSURF(PIPE_C))
+
+static int pri_surf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
+ void *p_data, unsigned int bytes)
+{
+ struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
+ unsigned int index = DSPSURF_TO_PIPE(offset);
+ i915_reg_t surflive_reg = DSPSURFLIVE(index);
+ int flip_event[] = {
+ [PIPE_A] = PRIMARY_A_FLIP_DONE,
+ [PIPE_B] = PRIMARY_B_FLIP_DONE,
+ [PIPE_C] = PRIMARY_C_FLIP_DONE,
+ };
+
+ write_vreg(vgpu, offset, p_data, bytes);
+ vgpu_vreg(vgpu, surflive_reg) = vgpu_vreg(vgpu, offset);
+
+ set_bit(flip_event[index], vgpu->irq.flip_done_event[index]);
+ return 0;
+}
+
+#define SPRSURF_TO_PIPE(offset) \
+ calc_index(offset, _SPRA_SURF, _SPRB_SURF, 0, SPRSURF(PIPE_C))
+
+static int spr_surf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
+ void *p_data, unsigned int bytes)
+{
+ unsigned int index = SPRSURF_TO_PIPE(offset);
+ i915_reg_t surflive_reg = SPRSURFLIVE(index);
+ int flip_event[] = {
+ [PIPE_A] = SPRITE_A_FLIP_DONE,
+ [PIPE_B] = SPRITE_B_FLIP_DONE,
+ [PIPE_C] = SPRITE_C_FLIP_DONE,
+ };
+
+ write_vreg(vgpu, offset, p_data, bytes);
+ vgpu_vreg(vgpu, surflive_reg) = vgpu_vreg(vgpu, offset);
+
+ set_bit(flip_event[index], vgpu->irq.flip_done_event[index]);
+ return 0;
+}
+
+static int trigger_aux_channel_interrupt(struct intel_vgpu *vgpu,
+ unsigned int reg)
+{
+ struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
+ enum intel_gvt_event_type event;
+
+ if (reg == _DPA_AUX_CH_CTL)
+ event = AUX_CHANNEL_A;
+ else if (reg == _PCH_DPB_AUX_CH_CTL || reg == _DPB_AUX_CH_CTL)
+ event = AUX_CHANNEL_B;
+ else if (reg == _PCH_DPC_AUX_CH_CTL || reg == _DPC_AUX_CH_CTL)
+ event = AUX_CHANNEL_C;
+ else if (reg == _PCH_DPD_AUX_CH_CTL || reg == _DPD_AUX_CH_CTL)
+ event = AUX_CHANNEL_D;
+ else {
+ WARN_ON(true);
+ return -EINVAL;
+ }
+
+ intel_vgpu_trigger_virtual_event(vgpu, event);
+ return 0;
+}
+
+static int dp_aux_ch_ctl_trans_done(struct intel_vgpu *vgpu, u32 value,
+ unsigned int reg, int len, bool data_valid)
+{
+ /* mark transaction done */
+ value |= DP_AUX_CH_CTL_DONE;
+ value &= ~DP_AUX_CH_CTL_SEND_BUSY;
+ value &= ~DP_AUX_CH_CTL_RECEIVE_ERROR;
+
+ if (data_valid)
+ value &= ~DP_AUX_CH_CTL_TIME_OUT_ERROR;
+ else
+ value |= DP_AUX_CH_CTL_TIME_OUT_ERROR;
+
+ /* message size */
+ value &= ~(0xf << 20);
+ value |= (len << 20);
+ vgpu_vreg(vgpu, reg) = value;
+
+ if (value & DP_AUX_CH_CTL_INTERRUPT)
+ return trigger_aux_channel_interrupt(vgpu, reg);
+ return 0;
+}
+
+static void dp_aux_ch_ctl_link_training(struct intel_vgpu_dpcd_data *dpcd,
+ uint8_t t)
+{
+ if ((t & DPCD_TRAINING_PATTERN_SET_MASK) == DPCD_TRAINING_PATTERN_1) {
+ /* training pattern 1 for CR */
+ /* set LANE0_CR_DONE, LANE1_CR_DONE */
+ dpcd->data[DPCD_LANE0_1_STATUS] |= DPCD_LANES_CR_DONE;
+ /* set LANE2_CR_DONE, LANE3_CR_DONE */
+ dpcd->data[DPCD_LANE2_3_STATUS] |= DPCD_LANES_CR_DONE;
+ } else if ((t & DPCD_TRAINING_PATTERN_SET_MASK) ==
+ DPCD_TRAINING_PATTERN_2) {
+ /* training pattern 2 for EQ */
+ /* Set CHANNEL_EQ_DONE and SYMBOL_LOCKED for Lane0_1 */
+ dpcd->data[DPCD_LANE0_1_STATUS] |= DPCD_LANES_EQ_DONE;
+ dpcd->data[DPCD_LANE0_1_STATUS] |= DPCD_SYMBOL_LOCKED;
+ /* Set CHANNEL_EQ_DONE and SYMBOL_LOCKED for Lane2_3 */
+ dpcd->data[DPCD_LANE2_3_STATUS] |= DPCD_LANES_EQ_DONE;
+ dpcd->data[DPCD_LANE2_3_STATUS] |= DPCD_SYMBOL_LOCKED;
+ /* set INTERLANE_ALIGN_DONE */
+ dpcd->data[DPCD_LANE_ALIGN_STATUS_UPDATED] |=
+ DPCD_INTERLANE_ALIGN_DONE;
+ } else if ((t & DPCD_TRAINING_PATTERN_SET_MASK) ==
+ DPCD_LINK_TRAINING_DISABLED) {
+ /* finish link training */
+ /* set sink status as synchronized */
+ dpcd->data[DPCD_SINK_STATUS] = DPCD_SINK_IN_SYNC;
+ }
+}
+
+#define _REG_HSW_DP_AUX_CH_CTL(dp) \
+ ((dp) ? (_PCH_DPB_AUX_CH_CTL + ((dp)-1)*0x100) : 0x64010)
+
+#define _REG_SKL_DP_AUX_CH_CTL(dp) (0x64010 + (dp) * 0x100)
+
+#define OFFSET_TO_DP_AUX_PORT(offset) (((offset) & 0xF00) >> 8)
+
+#define dpy_is_valid_port(port) \
+ (((port) >= PORT_A) && ((port) < I915_MAX_PORTS))
+
+static int dp_aux_ch_ctl_mmio_write(struct intel_vgpu *vgpu,
+ unsigned int offset, void *p_data, unsigned int bytes)
+{
+ struct intel_vgpu_display *display = &vgpu->display;
+ int msg, addr, ctrl, op, len;
+ int port_index = OFFSET_TO_DP_AUX_PORT(offset);
+ struct intel_vgpu_dpcd_data *dpcd = NULL;
+ struct intel_vgpu_port *port = NULL;
+ u32 data;
+
+ if (!dpy_is_valid_port(port_index)) {
+ gvt_err("GVT(%d): Unsupported DP port access!\n", vgpu->id);
+ return 0;
+ }
+
+ write_vreg(vgpu, offset, p_data, bytes);
+ data = vgpu_vreg(vgpu, offset);
+
+ if (IS_SKYLAKE(vgpu->gvt->dev_priv) &&
+ offset != _REG_SKL_DP_AUX_CH_CTL(port_index)) {
+ /* SKL DPB/C/D aux ctl register changed */
+ return 0;
+ } else if (IS_BROADWELL(vgpu->gvt->dev_priv) &&
+ offset != _REG_HSW_DP_AUX_CH_CTL(port_index)) {
+ /* write to the data registers */
+ return 0;
+ }
+
+ if (!(data & DP_AUX_CH_CTL_SEND_BUSY)) {
+ /* just want to clear the sticky bits */
+ vgpu_vreg(vgpu, offset) = 0;
+ return 0;
+ }
+
+ port = &display->ports[port_index];
+ dpcd = port->dpcd;
+
+ /* read out message from DATA1 register */
+ msg = vgpu_vreg(vgpu, offset + 4);
+ addr = (msg >> 8) & 0xffff;
+ ctrl = (msg >> 24) & 0xff;
+ len = msg & 0xff;
+ op = ctrl >> 4;
+
+ if (op == GVT_AUX_NATIVE_WRITE) {
+ int t;
+ uint8_t buf[16];
+
+ if ((addr + len + 1) >= DPCD_SIZE) {
+ /*
+ * Write request exceeds what we supported,
+ * DCPD spec: When a Source Device is writing a DPCD
+ * address not supported by the Sink Device, the Sink
+ * Device shall reply with AUX NACK and “M” equal to
+ * zero.
+ */
+
+ /* NAK the write */
+ vgpu_vreg(vgpu, offset + 4) = AUX_NATIVE_REPLY_NAK;
+ dp_aux_ch_ctl_trans_done(vgpu, data, offset, 2, true);
+ return 0;
+ }
+
+ /*
+ * Write request format: (command + address) occupies
+ * 3 bytes, followed by (len + 1) bytes of data.
+ */
+ if (WARN_ON((len + 4) > AUX_BURST_SIZE))
+ return -EINVAL;
+
+ /* unpack data from vreg to buf */
+ for (t = 0; t < 4; t++) {
+ u32 r = vgpu_vreg(vgpu, offset + 8 + t * 4);
+
+ buf[t * 4] = (r >> 24) & 0xff;
+ buf[t * 4 + 1] = (r >> 16) & 0xff;
+ buf[t * 4 + 2] = (r >> 8) & 0xff;
+ buf[t * 4 + 3] = r & 0xff;
+ }
+
+ /* write to virtual DPCD */
+ if (dpcd && dpcd->data_valid) {
+ for (t = 0; t <= len; t++) {
+ int p = addr + t;
+
+ dpcd->data[p] = buf[t];
+ /* check for link training */
+ if (p == DPCD_TRAINING_PATTERN_SET)
+ dp_aux_ch_ctl_link_training(dpcd,
+ buf[t]);
+ }
+ }
+
+ /* ACK the write */
+ vgpu_vreg(vgpu, offset + 4) = 0;
+ dp_aux_ch_ctl_trans_done(vgpu, data, offset, 1,
+ dpcd && dpcd->data_valid);
+ return 0;
+ }
+
+ if (op == GVT_AUX_NATIVE_READ) {
+ int idx, i, ret = 0;
+
+ if ((addr + len + 1) >= DPCD_SIZE) {
+ /*
+ * read request exceeds what we supported
+ * DPCD spec: A Sink Device receiving a Native AUX CH
+ * read request for an unsupported DPCD address must
+ * reply with an AUX ACK and read data set equal to
+ * zero instead of replying with AUX NACK.
+ */
+
+ /* ACK the READ*/
+ vgpu_vreg(vgpu, offset + 4) = 0;
+ vgpu_vreg(vgpu, offset + 8) = 0;
+ vgpu_vreg(vgpu, offset + 12) = 0;
+ vgpu_vreg(vgpu, offset + 16) = 0;
+ vgpu_vreg(vgpu, offset + 20) = 0;
+
+ dp_aux_ch_ctl_trans_done(vgpu, data, offset, len + 2,
+ true);
+ return 0;
+ }
+
+ for (idx = 1; idx <= 5; idx++) {
+ /* clear the data registers */
+ vgpu_vreg(vgpu, offset + 4 * idx) = 0;
+ }
+
+ /*
+ * Read reply format: ACK (1 byte) plus (len + 1) bytes of data.
+ */
+ if (WARN_ON((len + 2) > AUX_BURST_SIZE))
+ return -EINVAL;
+
+ /* read from virtual DPCD to vreg */
+ /* first 4 bytes: [ACK][addr][addr+1][addr+2] */
+ if (dpcd && dpcd->data_valid) {
+ for (i = 1; i <= (len + 1); i++) {
+ int t;
+
+ t = dpcd->data[addr + i - 1];
+ t <<= (24 - 8 * (i % 4));
+ ret |= t;
+
+ if ((i % 4 == 3) || (i == (len + 1))) {
+ vgpu_vreg(vgpu, offset +
+ (i / 4 + 1) * 4) = ret;
+ ret = 0;
+ }
+ }
+ }
+ dp_aux_ch_ctl_trans_done(vgpu, data, offset, len + 2,
+ dpcd && dpcd->data_valid);
+ return 0;
+ }
+
+ /* i2c transaction starts */
+ intel_gvt_i2c_handle_aux_ch_write(vgpu, port_index, offset, p_data);
+
+ if (data & DP_AUX_CH_CTL_INTERRUPT)
+ trigger_aux_channel_interrupt(vgpu, offset);
+ return 0;
+}
+
+static int vga_control_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
+ void *p_data, unsigned int bytes)
+{
+ bool vga_disable;
+
+ write_vreg(vgpu, offset, p_data, bytes);
+ vga_disable = vgpu_vreg(vgpu, offset) & VGA_DISP_DISABLE;
+
+ gvt_dbg_core("vgpu%d: %s VGA mode\n", vgpu->id,
+ vga_disable ? "Disable" : "Enable");
+ return 0;
+}
+
+static u32 read_virtual_sbi_register(struct intel_vgpu *vgpu,
+ unsigned int sbi_offset)
+{
+ struct intel_vgpu_display *display = &vgpu->display;
+ int num = display->sbi.number;
+ int i;
+
+ for (i = 0; i < num; ++i)
+ if (display->sbi.registers[i].offset == sbi_offset)
+ break;
+
+ if (i == num)
+ return 0;
+
+ return display->sbi.registers[i].value;
+}
+
+static void write_virtual_sbi_register(struct intel_vgpu *vgpu,
+ unsigned int offset, u32 value)
+{
+ struct intel_vgpu_display *display = &vgpu->display;
+ int num = display->sbi.number;
+ int i;
+
+ for (i = 0; i < num; ++i) {
+ if (display->sbi.registers[i].offset == offset)
+ break;
+ }
+
+ if (i == num) {
+ if (num == SBI_REG_MAX) {
+ gvt_err("vgpu%d: SBI caching meets maximum limits\n",
+ vgpu->id);
+ return;
+ }
+ display->sbi.number++;
+ }
+
+ display->sbi.registers[i].offset = offset;
+ display->sbi.registers[i].value = value;
+}
+
+static int sbi_data_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
+ void *p_data, unsigned int bytes)
+{
+ if (((vgpu_vreg(vgpu, SBI_CTL_STAT) & SBI_OPCODE_MASK) >>
+ SBI_OPCODE_SHIFT) == SBI_CMD_CRRD) {
+ unsigned int sbi_offset = (vgpu_vreg(vgpu, SBI_ADDR) &
+ SBI_ADDR_OFFSET_MASK) >> SBI_ADDR_OFFSET_SHIFT;
+ vgpu_vreg(vgpu, offset) = read_virtual_sbi_register(vgpu,
+ sbi_offset);
+ }
+ read_vreg(vgpu, offset, p_data, bytes);
+ return 0;
+}
+
+static bool sbi_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
+ void *p_data, unsigned int bytes)
+{
+ u32 data;
+
+ write_vreg(vgpu, offset, p_data, bytes);
+ data = vgpu_vreg(vgpu, offset);
+
+ data &= ~(SBI_STAT_MASK << SBI_STAT_SHIFT);
+ data |= SBI_READY;
+
+ data &= ~(SBI_RESPONSE_MASK << SBI_RESPONSE_SHIFT);
+ data |= SBI_RESPONSE_SUCCESS;
+
+ vgpu_vreg(vgpu, offset) = data;
+
+ if (((vgpu_vreg(vgpu, SBI_CTL_STAT) & SBI_OPCODE_MASK) >>
+ SBI_OPCODE_SHIFT) == SBI_CMD_CRWR) {
+ unsigned int sbi_offset = (vgpu_vreg(vgpu, SBI_ADDR) &
+ SBI_ADDR_OFFSET_MASK) >> SBI_ADDR_OFFSET_SHIFT;
+
+ write_virtual_sbi_register(vgpu, sbi_offset,
+ vgpu_vreg(vgpu, SBI_DATA));
+ }
+ return 0;
+}
+
#define _vgtif_reg(x) \
(VGT_PVINFO_PAGE + offsetof(struct vgt_if, x))
return ret;
}
+static int send_display_ready_uevent(struct intel_vgpu *vgpu, int ready)
+{
+ struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
+ struct kobject *kobj = &dev_priv->drm.primary->kdev->kobj;
+ char *env[3] = {NULL, NULL, NULL};
+ char vmid_str[20];
+ char display_ready_str[20];
+
+ snprintf(display_ready_str, 20, "GVT_DISPLAY_READY=%d\n", ready);
+ env[0] = display_ready_str;
+
+ snprintf(vmid_str, 20, "VMID=%d", vgpu->id);
+ env[1] = vmid_str;
+
+ return kobject_uevent_env(kobj, KOBJ_ADD, env);
+}
+
static int pvinfo_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
void *p_data, unsigned int bytes)
{
switch (offset) {
case _vgtif_reg(display_ready):
+ send_display_ready_uevent(vgpu, data ? 1 : 0);
+ break;
case _vgtif_reg(g2v_notify):
ret = handle_g2v_notification(vgpu, data);
break;
return 0;
}
+static int pf_write(struct intel_vgpu *vgpu,
+ unsigned int offset, void *p_data, unsigned int bytes)
+{
+ u32 val = *(u32 *)p_data;
+
+ if ((offset == _PS_1A_CTRL || offset == _PS_2A_CTRL ||
+ offset == _PS_1B_CTRL || offset == _PS_2B_CTRL ||
+ offset == _PS_1C_CTRL) && (val & PS_PLANE_SEL_MASK) != 0) {
+ WARN_ONCE(true, "VM(%d): guest is trying to scaling a plane\n",
+ vgpu->id);
+ return 0;
+ }
+
+ return intel_vgpu_default_mmio_write(vgpu, offset, p_data, bytes);
+}
+
+static int power_well_ctl_mmio_write(struct intel_vgpu *vgpu,
+ unsigned int offset, void *p_data, unsigned int bytes)
+{
+ write_vreg(vgpu, offset, p_data, bytes);
+
+ if (vgpu_vreg(vgpu, offset) & HSW_PWR_WELL_ENABLE_REQUEST)
+ vgpu_vreg(vgpu, offset) |= HSW_PWR_WELL_STATE_ENABLED;
+ else
+ vgpu_vreg(vgpu, offset) &= ~HSW_PWR_WELL_STATE_ENABLED;
+ return 0;
+}
+
static int fpga_dbg_mmio_write(struct intel_vgpu *vgpu,
unsigned int offset, void *p_data, unsigned int bytes)
{
return 0;
}
+static int dpll_status_read(struct intel_vgpu *vgpu, unsigned int offset,
+ void *p_data, unsigned int bytes)
+{
+ u32 v = 0;
+
+ if (vgpu_vreg(vgpu, 0x46010) & (1 << 31))
+ v |= (1 << 0);
+
+ if (vgpu_vreg(vgpu, 0x46014) & (1 << 31))
+ v |= (1 << 8);
+
+ if (vgpu_vreg(vgpu, 0x46040) & (1 << 31))
+ v |= (1 << 16);
+
+ if (vgpu_vreg(vgpu, 0x46060) & (1 << 31))
+ v |= (1 << 24);
+
+ vgpu_vreg(vgpu, offset) = v;
+
+ return intel_vgpu_default_mmio_read(vgpu, offset, p_data, bytes);
+}
+
+static int mailbox_write(struct intel_vgpu *vgpu, unsigned int offset,
+ void *p_data, unsigned int bytes)
+{
+ u32 value = *(u32 *)p_data;
+ u32 cmd = value & 0xff;
+ u32 *data0 = &vgpu_vreg(vgpu, GEN6_PCODE_DATA);
+
+ switch (cmd) {
+ case 0x6:
+ /**
+ * "Read memory latency" command on gen9.
+ * Below memory latency values are read
+ * from skylake platform.
+ */
+ if (!*data0)
+ *data0 = 0x1e1a1100;
+ else
+ *data0 = 0x61514b3d;
+ break;
+ case 0x5:
+ *data0 |= 0x1;
+ break;
+ }
+
+ gvt_dbg_core("VM(%d) write %x to mailbox, return data0 %x\n",
+ vgpu->id, value, *data0);
+
+ value &= ~(1 << 31);
+ return intel_vgpu_default_mmio_write(vgpu, offset, &value, bytes);
+}
+
+static int skl_power_well_ctl_write(struct intel_vgpu *vgpu,
+ unsigned int offset, void *p_data, unsigned int bytes)
+{
+ u32 v = *(u32 *)p_data;
+
+ v &= (1 << 31) | (1 << 29) | (1 << 9) |
+ (1 << 7) | (1 << 5) | (1 << 3) | (1 << 1);
+ v |= (v >> 1);
+
+ return intel_vgpu_default_mmio_write(vgpu, offset, &v, bytes);
+}
+
+static int skl_misc_ctl_write(struct intel_vgpu *vgpu, unsigned int offset,
+ void *p_data, unsigned int bytes)
+{
+ struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
+ i915_reg_t reg = {.reg = offset};
+
+ switch (offset) {
+ case 0x4ddc:
+ vgpu_vreg(vgpu, offset) = 0x8000003c;
+ break;
+ case 0x42080:
+ vgpu_vreg(vgpu, offset) = 0x8000;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /**
+ * TODO: need detect stepping info after gvt contain such information
+ * 0x4ddc enabled after C0, 0x42080 enabled after E0.
+ */
+ I915_WRITE(reg, vgpu_vreg(vgpu, offset));
+ return 0;
+}
+
+static int skl_lcpll_write(struct intel_vgpu *vgpu, unsigned int offset,
+ void *p_data, unsigned int bytes)
+{
+ u32 v = *(u32 *)p_data;
+
+ /* other bits are MBZ. */
+ v &= (1 << 31) | (1 << 30);
+ v & (1 << 31) ? (v |= (1 << 30)) : (v &= ~(1 << 30));
+
+ vgpu_vreg(vgpu, offset) = v;
+
+ return 0;
+}
+
+static int ring_timestamp_mmio_read(struct intel_vgpu *vgpu,
+ unsigned int offset, void *p_data, unsigned int bytes)
+{
+ struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
+
+ vgpu_vreg(vgpu, offset) = I915_READ(_MMIO(offset));
+ return intel_vgpu_default_mmio_read(vgpu, offset, p_data, bytes);
+}
+
#define MMIO_F(reg, s, f, am, rm, d, r, w) do { \
ret = new_mmio_info(gvt, INTEL_GVT_MMIO_OFFSET(reg), \
f, s, am, rm, d, r, w); \
MMIO_RING_DFH(RING_MI_MODE, D_ALL, F_MODE_MASK, NULL, NULL);
MMIO_RING_DFH(RING_INSTPM, D_ALL, F_MODE_MASK, NULL, NULL);
- MMIO_RING_DFH(RING_TIMESTAMP, D_ALL, F_CMD_ACCESS, NULL, NULL);
- MMIO_RING_DFH(RING_TIMESTAMP_UDW, D_ALL, F_CMD_ACCESS, NULL, NULL);
+ MMIO_RING_DFH(RING_TIMESTAMP, D_ALL, F_CMD_ACCESS,
+ ring_timestamp_mmio_read, NULL);
+ MMIO_RING_DFH(RING_TIMESTAMP_UDW, D_ALL, F_CMD_ACCESS,
+ ring_timestamp_mmio_read, NULL);
MMIO_DFH(GEN7_GT_MODE, D_ALL, F_MODE_MASK, NULL, NULL);
MMIO_DFH(CACHE_MODE_0_GEN7, D_ALL, F_MODE_MASK, NULL, NULL);
MMIO_D(PIPEDSL(PIPE_C), D_ALL);
MMIO_D(PIPEDSL(_PIPE_EDP), D_ALL);
- MMIO_DH(PIPECONF(PIPE_A), D_ALL, NULL, NULL);
- MMIO_DH(PIPECONF(PIPE_B), D_ALL, NULL, NULL);
- MMIO_DH(PIPECONF(PIPE_C), D_ALL, NULL, NULL);
- MMIO_DH(PIPECONF(_PIPE_EDP), D_ALL, NULL, NULL);
+ MMIO_DH(PIPECONF(PIPE_A), D_ALL, NULL, pipeconf_mmio_write);
+ MMIO_DH(PIPECONF(PIPE_B), D_ALL, NULL, pipeconf_mmio_write);
+ MMIO_DH(PIPECONF(PIPE_C), D_ALL, NULL, pipeconf_mmio_write);
+ MMIO_DH(PIPECONF(_PIPE_EDP), D_ALL, NULL, pipeconf_mmio_write);
MMIO_D(PIPESTAT(PIPE_A), D_ALL);
MMIO_D(PIPESTAT(PIPE_B), D_ALL);
MMIO_D(DSPSTRIDE(PIPE_A), D_ALL);
MMIO_D(DSPPOS(PIPE_A), D_ALL);
MMIO_D(DSPSIZE(PIPE_A), D_ALL);
- MMIO_D(DSPSURF(PIPE_A), D_ALL);
+ MMIO_DH(DSPSURF(PIPE_A), D_ALL, NULL, pri_surf_mmio_write);
MMIO_D(DSPOFFSET(PIPE_A), D_ALL);
MMIO_D(DSPSURFLIVE(PIPE_A), D_ALL);
MMIO_D(DSPSTRIDE(PIPE_B), D_ALL);
MMIO_D(DSPPOS(PIPE_B), D_ALL);
MMIO_D(DSPSIZE(PIPE_B), D_ALL);
- MMIO_D(DSPSURF(PIPE_B), D_ALL);
+ MMIO_DH(DSPSURF(PIPE_B), D_ALL, NULL, pri_surf_mmio_write);
MMIO_D(DSPOFFSET(PIPE_B), D_ALL);
MMIO_D(DSPSURFLIVE(PIPE_B), D_ALL);
MMIO_D(DSPSTRIDE(PIPE_C), D_ALL);
MMIO_D(DSPPOS(PIPE_C), D_ALL);
MMIO_D(DSPSIZE(PIPE_C), D_ALL);
- MMIO_D(DSPSURF(PIPE_C), D_ALL);
+ MMIO_DH(DSPSURF(PIPE_C), D_ALL, NULL, pri_surf_mmio_write);
MMIO_D(DSPOFFSET(PIPE_C), D_ALL);
MMIO_D(DSPSURFLIVE(PIPE_C), D_ALL);
MMIO_D(SPRSIZE(PIPE_A), D_ALL);
MMIO_D(SPRKEYVAL(PIPE_A), D_ALL);
MMIO_D(SPRKEYMSK(PIPE_A), D_ALL);
- MMIO_D(SPRSURF(PIPE_A), D_ALL);
+ MMIO_DH(SPRSURF(PIPE_A), D_ALL, NULL, spr_surf_mmio_write);
MMIO_D(SPRKEYMAX(PIPE_A), D_ALL);
MMIO_D(SPROFFSET(PIPE_A), D_ALL);
MMIO_D(SPRSCALE(PIPE_A), D_ALL);
MMIO_D(SPRSIZE(PIPE_B), D_ALL);
MMIO_D(SPRKEYVAL(PIPE_B), D_ALL);
MMIO_D(SPRKEYMSK(PIPE_B), D_ALL);
- MMIO_D(SPRSURF(PIPE_B), D_ALL);
+ MMIO_DH(SPRSURF(PIPE_B), D_ALL, NULL, spr_surf_mmio_write);
MMIO_D(SPRKEYMAX(PIPE_B), D_ALL);
MMIO_D(SPROFFSET(PIPE_B), D_ALL);
MMIO_D(SPRSCALE(PIPE_B), D_ALL);
MMIO_D(SPRSIZE(PIPE_C), D_ALL);
MMIO_D(SPRKEYVAL(PIPE_C), D_ALL);
MMIO_D(SPRKEYMSK(PIPE_C), D_ALL);
- MMIO_D(SPRSURF(PIPE_C), D_ALL);
+ MMIO_DH(SPRSURF(PIPE_C), D_ALL, NULL, spr_surf_mmio_write);
MMIO_D(SPRKEYMAX(PIPE_C), D_ALL);
MMIO_D(SPROFFSET(PIPE_C), D_ALL);
MMIO_D(SPRSCALE(PIPE_C), D_ALL);
MMIO_D(0x48268, D_ALL);
- MMIO_F(PCH_GMBUS0, 4 * 4, 0, 0, 0, D_ALL, NULL, NULL);
- MMIO_F(PCH_GPIOA, 6 * 4, 0, 0, 0, D_ALL, NULL, NULL);
+ MMIO_F(PCH_GMBUS0, 4 * 4, 0, 0, 0, D_ALL, gmbus_mmio_read,
+ gmbus_mmio_write);
+ MMIO_F(PCH_GPIOA, 6 * 4, F_UNALIGN, 0, 0, D_ALL, NULL, NULL);
MMIO_F(0xe4f00, 0x28, 0, 0, 0, D_ALL, NULL, NULL);
- MMIO_F(_PCH_DPB_AUX_CH_CTL, 6 * 4, 0, 0, 0, D_PRE_SKL, NULL, NULL);
- MMIO_F(_PCH_DPC_AUX_CH_CTL, 6 * 4, 0, 0, 0, D_PRE_SKL, NULL, NULL);
- MMIO_F(_PCH_DPD_AUX_CH_CTL, 6 * 4, 0, 0, 0, D_PRE_SKL, NULL, NULL);
+ MMIO_F(_PCH_DPB_AUX_CH_CTL, 6 * 4, 0, 0, 0, D_PRE_SKL, NULL,
+ dp_aux_ch_ctl_mmio_write);
+ MMIO_F(_PCH_DPC_AUX_CH_CTL, 6 * 4, 0, 0, 0, D_PRE_SKL, NULL,
+ dp_aux_ch_ctl_mmio_write);
+ MMIO_F(_PCH_DPD_AUX_CH_CTL, 6 * 4, 0, 0, 0, D_PRE_SKL, NULL,
+ dp_aux_ch_ctl_mmio_write);
- MMIO_RO(PCH_ADPA, D_ALL, 0,
- ADPA_CRT_HOTPLUG_MONITOR_MASK, NULL, NULL);
+ MMIO_RO(PCH_ADPA, D_ALL, 0, ADPA_CRT_HOTPLUG_MONITOR_MASK, NULL, pch_adpa_mmio_write);
- MMIO_DH(_PCH_TRANSACONF, D_ALL, NULL, NULL);
- MMIO_DH(_PCH_TRANSBCONF, D_ALL, NULL, NULL);
+ MMIO_DH(_PCH_TRANSACONF, D_ALL, NULL, transconf_mmio_write);
+ MMIO_DH(_PCH_TRANSBCONF, D_ALL, NULL, transconf_mmio_write);
- MMIO_DH(FDI_RX_IIR(PIPE_A), D_ALL, NULL, NULL);
- MMIO_DH(FDI_RX_IIR(PIPE_B), D_ALL, NULL, NULL);
- MMIO_DH(FDI_RX_IIR(PIPE_C), D_ALL, NULL, NULL);
- MMIO_DH(FDI_RX_IMR(PIPE_A), D_ALL, NULL, NULL);
- MMIO_DH(FDI_RX_IMR(PIPE_B), D_ALL, NULL, NULL);
- MMIO_DH(FDI_RX_IMR(PIPE_C), D_ALL, NULL, NULL);
- MMIO_DH(FDI_RX_CTL(PIPE_A), D_ALL, NULL, NULL);
- MMIO_DH(FDI_RX_CTL(PIPE_B), D_ALL, NULL, NULL);
- MMIO_DH(FDI_RX_CTL(PIPE_C), D_ALL, NULL, NULL);
+ MMIO_DH(FDI_RX_IIR(PIPE_A), D_ALL, NULL, fdi_rx_iir_mmio_write);
+ MMIO_DH(FDI_RX_IIR(PIPE_B), D_ALL, NULL, fdi_rx_iir_mmio_write);
+ MMIO_DH(FDI_RX_IIR(PIPE_C), D_ALL, NULL, fdi_rx_iir_mmio_write);
+ MMIO_DH(FDI_RX_IMR(PIPE_A), D_ALL, NULL, update_fdi_rx_iir_status);
+ MMIO_DH(FDI_RX_IMR(PIPE_B), D_ALL, NULL, update_fdi_rx_iir_status);
+ MMIO_DH(FDI_RX_IMR(PIPE_C), D_ALL, NULL, update_fdi_rx_iir_status);
+ MMIO_DH(FDI_RX_CTL(PIPE_A), D_ALL, NULL, update_fdi_rx_iir_status);
+ MMIO_DH(FDI_RX_CTL(PIPE_B), D_ALL, NULL, update_fdi_rx_iir_status);
+ MMIO_DH(FDI_RX_CTL(PIPE_C), D_ALL, NULL, update_fdi_rx_iir_status);
MMIO_D(_PCH_TRANS_HTOTAL_A, D_ALL);
MMIO_D(_PCH_TRANS_HBLANK_A, D_ALL);
MMIO_D(_FDI_RXB_TUSIZE1, D_ALL);
MMIO_D(_FDI_RXB_TUSIZE2, D_ALL);
- MMIO_DH(PCH_PP_CONTROL, D_ALL, NULL, NULL);
+ MMIO_DH(PCH_PP_CONTROL, D_ALL, NULL, pch_pp_control_mmio_write);
MMIO_D(PCH_PP_DIVISOR, D_ALL);
MMIO_D(PCH_PP_STATUS, D_ALL);
MMIO_D(PCH_LVDS, D_ALL);
MMIO_D(PCH_PP_ON_DELAYS, D_ALL);
MMIO_D(PCH_PP_OFF_DELAYS, D_ALL);
- MMIO_DH(0xe651c, D_ALL, NULL, NULL);
- MMIO_DH(0xe661c, D_ALL, NULL, NULL);
- MMIO_DH(0xe671c, D_ALL, NULL, NULL);
- MMIO_DH(0xe681c, D_ALL, NULL, NULL);
- MMIO_DH(0xe6c04, D_ALL, NULL, NULL);
- MMIO_DH(0xe6e1c, D_ALL, NULL, NULL);
+ MMIO_DH(0xe651c, D_ALL, dpy_reg_mmio_read, NULL);
+ MMIO_DH(0xe661c, D_ALL, dpy_reg_mmio_read, NULL);
+ MMIO_DH(0xe671c, D_ALL, dpy_reg_mmio_read, NULL);
+ MMIO_DH(0xe681c, D_ALL, dpy_reg_mmio_read, NULL);
+ MMIO_DH(0xe6c04, D_ALL, dpy_reg_mmio_read_2, NULL);
+ MMIO_DH(0xe6e1c, D_ALL, dpy_reg_mmio_read_3, NULL);
MMIO_RO(PCH_PORT_HOTPLUG, D_ALL, 0,
PORTA_HOTPLUG_STATUS_MASK
| PORTD_HOTPLUG_STATUS_MASK,
NULL, NULL);
- MMIO_DH(LCPLL_CTL, D_ALL, NULL, NULL);
+ MMIO_DH(LCPLL_CTL, D_ALL, NULL, lcpll_ctl_mmio_write);
MMIO_D(FUSE_STRAP, D_ALL);
MMIO_D(DIGITAL_PORT_HOTPLUG_CNTRL, D_ALL);
MMIO_D(ILK_DSPCLK_GATE_D, D_ALL);
MMIO_D(SOUTH_CHICKEN1, D_ALL);
- MMIO_DH(SOUTH_CHICKEN2, D_ALL, NULL, NULL);
+ MMIO_DH(SOUTH_CHICKEN2, D_ALL, NULL, south_chicken2_mmio_write);
MMIO_D(_TRANSA_CHICKEN1, D_ALL);
MMIO_D(_TRANSB_CHICKEN1, D_ALL);
MMIO_D(SOUTH_DSPCLK_GATE_D, D_ALL);
MMIO_D(PIPE_CSC_POSTOFF_ME(PIPE_C), D_ALL);
MMIO_D(PIPE_CSC_POSTOFF_LO(PIPE_C), D_ALL);
+ MMIO_D(PREC_PAL_INDEX(PIPE_A), D_ALL);
+ MMIO_D(PREC_PAL_DATA(PIPE_A), D_ALL);
+ MMIO_F(PREC_PAL_GC_MAX(PIPE_A, 0), 4 * 3, 0, 0, 0, D_ALL, NULL, NULL);
+
+ MMIO_D(PREC_PAL_INDEX(PIPE_B), D_ALL);
+ MMIO_D(PREC_PAL_DATA(PIPE_B), D_ALL);
+ MMIO_F(PREC_PAL_GC_MAX(PIPE_B, 0), 4 * 3, 0, 0, 0, D_ALL, NULL, NULL);
+
+ MMIO_D(PREC_PAL_INDEX(PIPE_C), D_ALL);
+ MMIO_D(PREC_PAL_DATA(PIPE_C), D_ALL);
+ MMIO_F(PREC_PAL_GC_MAX(PIPE_C, 0), 4 * 3, 0, 0, 0, D_ALL, NULL, NULL);
+
MMIO_D(0x60110, D_ALL);
MMIO_D(0x61110, D_ALL);
MMIO_F(0x70400, 0x40, 0, 0, 0, D_ALL, NULL, NULL);
MMIO_D(GAMMA_MODE(PIPE_B), D_ALL);
MMIO_D(GAMMA_MODE(PIPE_C), D_ALL);
- MMIO_D(0x4a400, D_ALL);
- MMIO_D(0x4ac00, D_ALL);
- MMIO_D(0x4b400, D_ALL);
-
MMIO_D(PIPE_MULT(PIPE_A), D_ALL);
MMIO_D(PIPE_MULT(PIPE_B), D_ALL);
MMIO_D(PIPE_MULT(PIPE_C), D_ALL);
MMIO_DH(SFUSE_STRAP, D_ALL, NULL, NULL);
MMIO_D(SBI_ADDR, D_ALL);
- MMIO_DH(SBI_DATA, D_ALL, NULL, NULL);
- MMIO_DH(SBI_CTL_STAT, D_ALL, NULL, NULL);
+ MMIO_DH(SBI_DATA, D_ALL, sbi_data_mmio_read, NULL);
+ MMIO_DH(SBI_CTL_STAT, D_ALL, NULL, sbi_ctl_mmio_write);
MMIO_D(PIXCLK_GATE, D_ALL);
- MMIO_F(_DPA_AUX_CH_CTL, 6 * 4, 0, 0, 0, D_ALL, NULL, NULL);
-
- MMIO_RO(DDI_BUF_CTL(PORT_A), D_ALL, 0,
- DDI_INIT_DISPLAY_DETECTED, NULL, NULL);
- MMIO_RO(DDI_BUF_CTL(PORT_B), D_ALL, 0,
- DDI_INIT_DISPLAY_DETECTED, NULL, NULL);
- MMIO_RO(DDI_BUF_CTL(PORT_C), D_ALL, 0,
- DDI_INIT_DISPLAY_DETECTED, NULL, NULL);
- MMIO_RO(DDI_BUF_CTL(PORT_D), D_ALL, 0,
- DDI_INIT_DISPLAY_DETECTED, NULL, NULL);
- MMIO_RO(DDI_BUF_CTL(PORT_E), D_ALL, 0,
- DDI_INIT_DISPLAY_DETECTED, NULL, NULL);
-
- MMIO_DH(DP_TP_CTL(PORT_A), D_ALL, NULL, NULL);
- MMIO_DH(DP_TP_CTL(PORT_B), D_ALL, NULL, NULL);
- MMIO_DH(DP_TP_CTL(PORT_C), D_ALL, NULL, NULL);
- MMIO_DH(DP_TP_CTL(PORT_D), D_ALL, NULL, NULL);
- MMIO_DH(DP_TP_CTL(PORT_E), D_ALL, NULL, NULL);
-
- MMIO_RO(DP_TP_STATUS(PORT_A), D_ALL, 0,
- (1 << 27) | (1 << 26) | (1 << 24), NULL, NULL);
- MMIO_RO(DP_TP_STATUS(PORT_B), D_ALL, 0,
- (1 << 27) | (1 << 26) | (1 << 24), NULL, NULL);
- MMIO_RO(DP_TP_STATUS(PORT_C), D_ALL, 0,
- (1 << 27) | (1 << 26) | (1 << 24), NULL, NULL);
- MMIO_RO(DP_TP_STATUS(PORT_D), D_ALL, 0,
- (1 << 27) | (1 << 26) | (1 << 24), NULL, NULL);
- MMIO_RO(DP_TP_STATUS(PORT_E), D_ALL, 0,
- (1 << 27) | (1 << 26) | (1 << 24), NULL, NULL);
+ MMIO_F(_DPA_AUX_CH_CTL, 6 * 4, 0, 0, 0, D_ALL, NULL,
+ dp_aux_ch_ctl_mmio_write);
+
+ MMIO_DH(DDI_BUF_CTL(PORT_A), D_ALL, NULL, ddi_buf_ctl_mmio_write);
+ MMIO_DH(DDI_BUF_CTL(PORT_B), D_ALL, NULL, ddi_buf_ctl_mmio_write);
+ MMIO_DH(DDI_BUF_CTL(PORT_C), D_ALL, NULL, ddi_buf_ctl_mmio_write);
+ MMIO_DH(DDI_BUF_CTL(PORT_D), D_ALL, NULL, ddi_buf_ctl_mmio_write);
+ MMIO_DH(DDI_BUF_CTL(PORT_E), D_ALL, NULL, ddi_buf_ctl_mmio_write);
+
+ MMIO_DH(DP_TP_CTL(PORT_A), D_ALL, NULL, dp_tp_ctl_mmio_write);
+ MMIO_DH(DP_TP_CTL(PORT_B), D_ALL, NULL, dp_tp_ctl_mmio_write);
+ MMIO_DH(DP_TP_CTL(PORT_C), D_ALL, NULL, dp_tp_ctl_mmio_write);
+ MMIO_DH(DP_TP_CTL(PORT_D), D_ALL, NULL, dp_tp_ctl_mmio_write);
+ MMIO_DH(DP_TP_CTL(PORT_E), D_ALL, NULL, dp_tp_ctl_mmio_write);
+
+ MMIO_DH(DP_TP_STATUS(PORT_A), D_ALL, NULL, dp_tp_status_mmio_write);
+ MMIO_DH(DP_TP_STATUS(PORT_B), D_ALL, NULL, dp_tp_status_mmio_write);
+ MMIO_DH(DP_TP_STATUS(PORT_C), D_ALL, NULL, dp_tp_status_mmio_write);
+ MMIO_DH(DP_TP_STATUS(PORT_D), D_ALL, NULL, dp_tp_status_mmio_write);
+ MMIO_DH(DP_TP_STATUS(PORT_E), D_ALL, NULL, NULL);
MMIO_F(_DDI_BUF_TRANS_A, 0x50, 0, 0, 0, D_ALL, NULL, NULL);
MMIO_F(0x64e60, 0x50, 0, 0, 0, D_ALL, NULL, NULL);
MMIO_D(GEN6_RC6p_THRESHOLD, D_ALL);
MMIO_D(GEN6_RC6pp_THRESHOLD, D_ALL);
MMIO_D(GEN6_PMINTRMSK, D_ALL);
- MMIO_DH(HSW_PWR_WELL_BIOS, D_HSW | D_BDW, NULL, NULL);
- MMIO_DH(HSW_PWR_WELL_DRIVER, D_HSW | D_BDW, NULL, NULL);
- MMIO_DH(HSW_PWR_WELL_KVMR, D_HSW | D_BDW, NULL, NULL);
- MMIO_DH(HSW_PWR_WELL_DEBUG, D_HSW | D_BDW, NULL, NULL);
- MMIO_DH(HSW_PWR_WELL_CTL5, D_HSW | D_BDW, NULL, NULL);
- MMIO_DH(HSW_PWR_WELL_CTL6, D_HSW | D_BDW, NULL, NULL);
+ MMIO_DH(HSW_PWR_WELL_BIOS, D_HSW | D_BDW, NULL, power_well_ctl_mmio_write);
+ MMIO_DH(HSW_PWR_WELL_DRIVER, D_HSW | D_BDW, NULL, power_well_ctl_mmio_write);
+ MMIO_DH(HSW_PWR_WELL_KVMR, D_HSW | D_BDW, NULL, power_well_ctl_mmio_write);
+ MMIO_DH(HSW_PWR_WELL_DEBUG, D_HSW | D_BDW, NULL, power_well_ctl_mmio_write);
+ MMIO_DH(HSW_PWR_WELL_CTL5, D_HSW | D_BDW, NULL, power_well_ctl_mmio_write);
+ MMIO_DH(HSW_PWR_WELL_CTL6, D_HSW | D_BDW, NULL, power_well_ctl_mmio_write);
MMIO_D(RSTDBYCTL, D_ALL);
MMIO_DH(GEN6_GDRST, D_ALL, NULL, gdrst_mmio_write);
MMIO_F(FENCE_REG_GEN6_LO(0), 0x80, 0, 0, 0, D_ALL, fence_mmio_read, fence_mmio_write);
MMIO_F(VGT_PVINFO_PAGE, VGT_PVINFO_SIZE, F_UNALIGN, 0, 0, D_ALL, pvinfo_mmio_read, pvinfo_mmio_write);
- MMIO_DH(CPU_VGACNTRL, D_ALL, NULL, NULL);
+ MMIO_DH(CPU_VGACNTRL, D_ALL, NULL, vga_control_mmio_write);
MMIO_F(MCHBAR_MIRROR_BASE_SNB, 0x40000, 0, 0, 0, D_ALL, NULL, NULL);
NULL, NULL);
MMIO_DFH(RING_INSTPM(GEN8_BSD2_RING_BASE), D_BDW_PLUS, F_MODE_MASK,
NULL, NULL);
- MMIO_DFH(RING_TIMESTAMP(GEN8_BSD2_RING_BASE), D_BDW_PLUS, F_MODE_MASK,
- NULL, NULL);
+ MMIO_DFH(RING_TIMESTAMP(GEN8_BSD2_RING_BASE), D_BDW_PLUS, F_CMD_ACCESS,
+ ring_timestamp_mmio_read, NULL);
MMIO_RING_D(RING_ACTHD_UDW, D_BDW_PLUS);
MMIO_DH(FORCEWAKE_MEDIA_GEN9, D_SKL_PLUS, NULL, mul_force_wake_write);
MMIO_DH(FORCEWAKE_ACK_MEDIA_GEN9, D_SKL_PLUS, NULL, NULL);
- MMIO_F(_DPB_AUX_CH_CTL, 6 * 4, 0, 0, 0, D_SKL, NULL, NULL);
- MMIO_F(_DPC_AUX_CH_CTL, 6 * 4, 0, 0, 0, D_SKL, NULL, NULL);
- MMIO_F(_DPD_AUX_CH_CTL, 6 * 4, 0, 0, 0, D_SKL, NULL, NULL);
+ MMIO_F(_DPB_AUX_CH_CTL, 6 * 4, 0, 0, 0, D_SKL, NULL, dp_aux_ch_ctl_mmio_write);
+ MMIO_F(_DPC_AUX_CH_CTL, 6 * 4, 0, 0, 0, D_SKL, NULL, dp_aux_ch_ctl_mmio_write);
+ MMIO_F(_DPD_AUX_CH_CTL, 6 * 4, 0, 0, 0, D_SKL, NULL, dp_aux_ch_ctl_mmio_write);
MMIO_D(HSW_PWR_WELL_BIOS, D_SKL);
- MMIO_DH(HSW_PWR_WELL_DRIVER, D_SKL, NULL, NULL);
+ MMIO_DH(HSW_PWR_WELL_DRIVER, D_SKL, NULL, skl_power_well_ctl_write);
- MMIO_DH(GEN6_PCODE_MAILBOX, D_SKL, NULL, NULL);
+ MMIO_DH(GEN6_PCODE_MAILBOX, D_SKL, NULL, mailbox_write);
MMIO_D(0xa210, D_SKL_PLUS);
MMIO_D(GEN9_MEDIA_PG_IDLE_HYSTERESIS, D_SKL_PLUS);
MMIO_D(GEN9_RENDER_PG_IDLE_HYSTERESIS, D_SKL_PLUS);
- MMIO_DH(0x4ddc, D_SKL, NULL, NULL);
- MMIO_DH(0x42080, D_SKL, NULL, NULL);
+ MMIO_DH(0x4ddc, D_SKL, NULL, skl_misc_ctl_write);
+ MMIO_DH(0x42080, D_SKL, NULL, skl_misc_ctl_write);
MMIO_D(0x45504, D_SKL);
MMIO_D(0x45520, D_SKL);
MMIO_D(0x46000, D_SKL);
- MMIO_DH(0x46010, D_SKL, NULL, NULL);
- MMIO_DH(0x46014, D_SKL, NULL, NULL);
+ MMIO_DH(0x46010, D_SKL, NULL, skl_lcpll_write);
+ MMIO_DH(0x46014, D_SKL, NULL, skl_lcpll_write);
MMIO_D(0x6C040, D_SKL);
MMIO_D(0x6C048, D_SKL);
MMIO_D(0x6C050, D_SKL);
MMIO_D(0x6C054, D_SKL);
MMIO_D(0x6c058, D_SKL);
MMIO_D(0x6c05c, D_SKL);
- MMIO_DH(0x6c060, D_SKL, NULL, NULL);
-
- MMIO_DH(SKL_PS_WIN_POS(PIPE_A, 0), D_SKL, NULL, NULL);
- MMIO_DH(SKL_PS_WIN_POS(PIPE_A, 1), D_SKL, NULL, NULL);
- MMIO_DH(SKL_PS_WIN_POS(PIPE_B, 0), D_SKL, NULL, NULL);
- MMIO_DH(SKL_PS_WIN_POS(PIPE_B, 1), D_SKL, NULL, NULL);
- MMIO_DH(SKL_PS_WIN_POS(PIPE_C, 0), D_SKL, NULL, NULL);
- MMIO_DH(SKL_PS_WIN_POS(PIPE_C, 1), D_SKL, NULL, NULL);
-
- MMIO_DH(SKL_PS_WIN_SZ(PIPE_A, 0), D_SKL, NULL, NULL);
- MMIO_DH(SKL_PS_WIN_SZ(PIPE_A, 1), D_SKL, NULL, NULL);
- MMIO_DH(SKL_PS_WIN_SZ(PIPE_B, 0), D_SKL, NULL, NULL);
- MMIO_DH(SKL_PS_WIN_SZ(PIPE_B, 1), D_SKL, NULL, NULL);
- MMIO_DH(SKL_PS_WIN_SZ(PIPE_C, 0), D_SKL, NULL, NULL);
- MMIO_DH(SKL_PS_WIN_SZ(PIPE_C, 1), D_SKL, NULL, NULL);
-
- MMIO_DH(SKL_PS_CTRL(PIPE_A, 0), D_SKL, NULL, NULL);
- MMIO_DH(SKL_PS_CTRL(PIPE_A, 1), D_SKL, NULL, NULL);
- MMIO_DH(SKL_PS_CTRL(PIPE_B, 0), D_SKL, NULL, NULL);
- MMIO_DH(SKL_PS_CTRL(PIPE_B, 1), D_SKL, NULL, NULL);
- MMIO_DH(SKL_PS_CTRL(PIPE_C, 0), D_SKL, NULL, NULL);
- MMIO_DH(SKL_PS_CTRL(PIPE_C, 1), D_SKL, NULL, NULL);
+ MMIO_DH(0X6c060, D_SKL, dpll_status_read, NULL);
+
+ MMIO_DH(SKL_PS_WIN_POS(PIPE_A, 0), D_SKL, NULL, pf_write);
+ MMIO_DH(SKL_PS_WIN_POS(PIPE_A, 1), D_SKL, NULL, pf_write);
+ MMIO_DH(SKL_PS_WIN_POS(PIPE_B, 0), D_SKL, NULL, pf_write);
+ MMIO_DH(SKL_PS_WIN_POS(PIPE_B, 1), D_SKL, NULL, pf_write);
+ MMIO_DH(SKL_PS_WIN_POS(PIPE_C, 0), D_SKL, NULL, pf_write);
+ MMIO_DH(SKL_PS_WIN_POS(PIPE_C, 1), D_SKL, NULL, pf_write);
+
+ MMIO_DH(SKL_PS_WIN_SZ(PIPE_A, 0), D_SKL, NULL, pf_write);
+ MMIO_DH(SKL_PS_WIN_SZ(PIPE_A, 1), D_SKL, NULL, pf_write);
+ MMIO_DH(SKL_PS_WIN_SZ(PIPE_B, 0), D_SKL, NULL, pf_write);
+ MMIO_DH(SKL_PS_WIN_SZ(PIPE_B, 1), D_SKL, NULL, pf_write);
+ MMIO_DH(SKL_PS_WIN_SZ(PIPE_C, 0), D_SKL, NULL, pf_write);
+ MMIO_DH(SKL_PS_WIN_SZ(PIPE_C, 1), D_SKL, NULL, pf_write);
+
+ MMIO_DH(SKL_PS_CTRL(PIPE_A, 0), D_SKL, NULL, pf_write);
+ MMIO_DH(SKL_PS_CTRL(PIPE_A, 1), D_SKL, NULL, pf_write);
+ MMIO_DH(SKL_PS_CTRL(PIPE_B, 0), D_SKL, NULL, pf_write);
+ MMIO_DH(SKL_PS_CTRL(PIPE_B, 1), D_SKL, NULL, pf_write);
+ MMIO_DH(SKL_PS_CTRL(PIPE_C, 0), D_SKL, NULL, pf_write);
+ MMIO_DH(SKL_PS_CTRL(PIPE_C, 1), D_SKL, NULL, pf_write);
MMIO_DH(PLANE_BUF_CFG(PIPE_A, 0), D_SKL, NULL, NULL);
MMIO_DH(PLANE_BUF_CFG(PIPE_A, 1), D_SKL, NULL, NULL);
MMIO_D(0x44500, D_SKL);
return 0;
}
+
/**
* intel_gvt_find_mmio_info - find MMIO information entry by aligned offset
* @gvt: GVT device
projects / platform / kernel / linux-starfive.git / commitdiff