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android_kernel_xiaomi_sm8350/msm/vidc/hfi_iris2.c
Mihir Ganu fbc3b10e06 msm: vidc: Update power sequence to match Lahaina HPG steps 
Update power sequence by removing all resets during power down.

Change-Id: I88610e9c71a91a32332626bf6da88f0f64ed1c65
Signed-off-by: Mihir Ganu <mganu@codeaurora.org>
(cherry picked from commit 5cffae52eacaaf6b0698de06c11397339d904f35)
2020-07-21 09:35:17 -07:00

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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.
*/
#include "msm_vidc_debug.h"
#include "hfi_common.h"
#define VBIF_BASE_OFFS_IRIS2 0x00080000
#define CPU_BASE_OFFS_IRIS2 0x000A0000
#define AON_BASE_OFFS 0x000E0000
#define CPU_CS_BASE_OFFS_IRIS2 (CPU_BASE_OFFS_IRIS2)
#define CPU_IC_BASE_OFFS_IRIS2 (CPU_BASE_OFFS_IRIS2)
#define CPU_CS_A2HSOFTINTCLR_IRIS2 (CPU_CS_BASE_OFFS_IRIS2 + 0x1C)
#define CPU_CS_VCICMD_IRIS2 (CPU_CS_BASE_OFFS_IRIS2 + 0x20)
#define CPU_CS_VCICMDARG0_IRIS2 (CPU_CS_BASE_OFFS_IRIS2 + 0x24)
#define CPU_CS_VCICMDARG1_IRIS2 (CPU_CS_BASE_OFFS_IRIS2 + 0x28)
#define CPU_CS_VCICMDARG2_IRIS2 (CPU_CS_BASE_OFFS_IRIS2 + 0x2C)
#define CPU_CS_VCICMDARG3_IRIS2 (CPU_CS_BASE_OFFS_IRIS2 + 0x30)
#define CPU_CS_VMIMSG_IRIS2 (CPU_CS_BASE_OFFS_IRIS2 + 0x34)
#define CPU_CS_VMIMSGAG0_IRIS2 (CPU_CS_BASE_OFFS_IRIS2 + 0x38)
#define CPU_CS_VMIMSGAG1_IRIS2 (CPU_CS_BASE_OFFS_IRIS2 + 0x3C)
#define CPU_CS_SCIACMD_IRIS2 (CPU_CS_BASE_OFFS_IRIS2 + 0x48)
#define CPU_CS_H2XSOFTINTEN_IRIS2 (CPU_CS_BASE_OFFS_IRIS2 + 0x148)
/* HFI_CTRL_STATUS */
#define CPU_CS_SCIACMDARG0_IRIS2 (CPU_CS_BASE_OFFS_IRIS2 + 0x4C)
#define CPU_CS_SCIACMDARG0_HFI_CTRL_ERROR_STATUS_BMSK_IRIS2 0xfe
#define CPU_CS_SCIACMDARG0_HFI_CTRL_PC_READY_IRIS2 0x100
#define CPU_CS_SCIACMDARG0_HFI_CTRL_INIT_IDLE_MSG_BMSK_IRIS2 0x40000000
/* HFI_QTBL_INFO */
#define CPU_CS_SCIACMDARG1_IRIS2 (CPU_CS_BASE_OFFS_IRIS2 + 0x50)
/* HFI_QTBL_ADDR */
#define CPU_CS_SCIACMDARG2_IRIS2 (CPU_CS_BASE_OFFS_IRIS2 + 0x54)
/* HFI_VERSION_INFO */
#define CPU_CS_SCIACMDARG3_IRIS2 (CPU_CS_BASE_OFFS_IRIS2 + 0x58)
/* SFR_ADDR */
#define CPU_CS_SCIBCMD_IRIS2 (CPU_CS_BASE_OFFS_IRIS2 + 0x5C)
/* MMAP_ADDR */
#define CPU_CS_SCIBCMDARG0_IRIS2 (CPU_CS_BASE_OFFS_IRIS2 + 0x60)
/* UC_REGION_ADDR */
#define CPU_CS_SCIBARG1_IRIS2 (CPU_CS_BASE_OFFS_IRIS2 + 0x64)
/* UC_REGION_ADDR */
#define CPU_CS_SCIBARG2_IRIS2 (CPU_CS_BASE_OFFS_IRIS2 + 0x68)
/* FAL10 Feature Control */
#define CPU_CS_X2RPMh_IRIS2 (CPU_CS_BASE_OFFS_IRIS2 + 0x168)
#define CPU_CS_X2RPMh_MASK0_BMSK_IRIS2 0x1
#define CPU_CS_X2RPMh_MASK0_SHFT_IRIS2 0x0
#define CPU_CS_X2RPMh_MASK1_BMSK_IRIS2 0x2
#define CPU_CS_X2RPMh_MASK1_SHFT_IRIS2 0x1
#define CPU_CS_X2RPMh_SWOVERRIDE_BMSK_IRIS2 0x4
#define CPU_CS_X2RPMh_SWOVERRIDE_SHFT_IRIS2 0x3
#define CPU_IC_SOFTINT_IRIS2 (CPU_IC_BASE_OFFS_IRIS2 + 0x150)
#define CPU_IC_SOFTINT_H2A_SHFT_IRIS2 0x0
/*
* --------------------------------------------------------------------------
* MODULE: wrapper
* --------------------------------------------------------------------------
*/
#define WRAPPER_BASE_OFFS_IRIS2 0x000B0000
#define WRAPPER_INTR_STATUS_IRIS2 (WRAPPER_BASE_OFFS_IRIS2 + 0x0C)
#define WRAPPER_INTR_STATUS_A2HWD_BMSK_IRIS2 0x8
#define WRAPPER_INTR_STATUS_A2H_BMSK_IRIS2 0x4
#define WRAPPER_INTR_MASK_IRIS2 (WRAPPER_BASE_OFFS_IRIS2 + 0x10)
#define WRAPPER_INTR_MASK_A2HWD_BMSK_IRIS2 0x8
#define WRAPPER_INTR_MASK_A2HCPU_BMSK_IRIS2 0x4
#define WRAPPER_CPU_CLOCK_CONFIG_IRIS2 (WRAPPER_BASE_OFFS_IRIS2 + 0x2000)
#define WRAPPER_CPU_CGC_DIS_IRIS2 (WRAPPER_BASE_OFFS_IRIS2 + 0x2010)
#define WRAPPER_CPU_STATUS_IRIS2 (WRAPPER_BASE_OFFS_IRIS2 + 0x2014)
#define WRAPPER_DEBUG_BRIDGE_LPI_CONTROL_IRIS2 (WRAPPER_BASE_OFFS_IRIS2 + 0x54)
#define WRAPPER_DEBUG_BRIDGE_LPI_STATUS_IRIS2 (WRAPPER_BASE_OFFS_IRIS2 + 0x58)
/*
* --------------------------------------------------------------------------
* MODULE: tz_wrapper
* --------------------------------------------------------------------------
*/
#define WRAPPER_TZ_BASE_OFFS 0x000C0000
#define WRAPPER_TZ_CPU_CLOCK_CONFIG (WRAPPER_TZ_BASE_OFFS)
#define WRAPPER_TZ_CPU_STATUS (WRAPPER_TZ_BASE_OFFS + 0x10)
#define CTRL_INIT_IRIS2 CPU_CS_SCIACMD_IRIS2
#define CTRL_STATUS_IRIS2 CPU_CS_SCIACMDARG0_IRIS2
#define CTRL_ERROR_STATUS__M_IRIS2 \
CPU_CS_SCIACMDARG0_HFI_CTRL_ERROR_STATUS_BMSK_IRIS2
#define CTRL_INIT_IDLE_MSG_BMSK_IRIS2 \
CPU_CS_SCIACMDARG0_HFI_CTRL_INIT_IDLE_MSG_BMSK_IRIS2
#define CTRL_STATUS_PC_READY_IRIS2 \
CPU_CS_SCIACMDARG0_HFI_CTRL_PC_READY_IRIS2
#define QTBL_INFO_IRIS2 CPU_CS_SCIACMDARG1_IRIS2
#define QTBL_ADDR_IRIS2 CPU_CS_SCIACMDARG2_IRIS2
#define VERSION_INFO_IRIS2 CPU_CS_SCIACMDARG3_IRIS2
#define SFR_ADDR_IRIS2 CPU_CS_SCIBCMD_IRIS2
#define MMAP_ADDR_IRIS2 CPU_CS_SCIBCMDARG0_IRIS2
#define UC_REGION_ADDR_IRIS2 CPU_CS_SCIBARG1_IRIS2
#define UC_REGION_SIZE_IRIS2 CPU_CS_SCIBARG2_IRIS2
#define AON_WRAPPER_MVP_NOC_LPI_CONTROL (AON_BASE_OFFS)
#define AON_WRAPPER_MVP_NOC_LPI_STATUS (AON_BASE_OFFS + 0x4)
/*
* --------------------------------------------------------------------------
* MODULE: vcodec noc error log registers (iris2)
* --------------------------------------------------------------------------
*/
#define VCODEC_NOC_VIDEO_A_NOC_BASE_OFFS 0x00010000
#define VCODEC_NOC_ERL_MAIN_SWID_LOW 0x00011200
#define VCODEC_NOC_ERL_MAIN_SWID_HIGH 0x00011204
#define VCODEC_NOC_ERL_MAIN_MAINCTL_LOW 0x00011208
#define VCODEC_NOC_ERL_MAIN_ERRVLD_LOW 0x00011210
#define VCODEC_NOC_ERL_MAIN_ERRCLR_LOW 0x00011218
#define VCODEC_NOC_ERL_MAIN_ERRLOG0_LOW 0x00011220
#define VCODEC_NOC_ERL_MAIN_ERRLOG0_HIGH 0x00011224
#define VCODEC_NOC_ERL_MAIN_ERRLOG1_LOW 0x00011228
#define VCODEC_NOC_ERL_MAIN_ERRLOG1_HIGH 0x0001122C
#define VCODEC_NOC_ERL_MAIN_ERRLOG2_LOW 0x00011230
#define VCODEC_NOC_ERL_MAIN_ERRLOG2_HIGH 0x00011234
#define VCODEC_NOC_ERL_MAIN_ERRLOG3_LOW 0x00011238
#define VCODEC_NOC_ERL_MAIN_ERRLOG3_HIGH 0x0001123C
void __interrupt_init_iris2(struct venus_hfi_device *device, u32 sid)
{
u32 mask_val = 0;
/* All interrupts should be disabled initially 0x1F6 : Reset value */
mask_val = __read_register(device, WRAPPER_INTR_MASK_IRIS2, sid);
/* Write 0 to unmask CPU and WD interrupts */
mask_val &= ~(WRAPPER_INTR_MASK_A2HWD_BMSK_IRIS2|
WRAPPER_INTR_MASK_A2HCPU_BMSK_IRIS2);
__write_register(device, WRAPPER_INTR_MASK_IRIS2, mask_val, sid);
}
void __setup_ucregion_memory_map_iris2(struct venus_hfi_device *device, u32 sid)
{
__write_register(device, UC_REGION_ADDR_IRIS2,
(u32)device->iface_q_table.align_device_addr, sid);
__write_register(device, UC_REGION_SIZE_IRIS2, SHARED_QSIZE, sid);
__write_register(device, QTBL_ADDR_IRIS2,
(u32)device->iface_q_table.align_device_addr, sid);
__write_register(device, QTBL_INFO_IRIS2, 0x01, sid);
if (device->sfr.align_device_addr)
__write_register(device, SFR_ADDR_IRIS2,
(u32)device->sfr.align_device_addr, sid);
if (device->qdss.align_device_addr)
__write_register(device, MMAP_ADDR_IRIS2,
(u32)device->qdss.align_device_addr, sid);
/* update queues vaddr for debug purpose */
__write_register(device, CPU_CS_VCICMDARG0_IRIS2,
(u32)device->iface_q_table.align_virtual_addr, sid);
__write_register(device, CPU_CS_VCICMDARG1_IRIS2,
(u32)((u64)device->iface_q_table.align_virtual_addr >> 32),
sid);
}
void __power_off_iris2(struct venus_hfi_device *device)
{
u32 lpi_status, reg_status = 0, count = 0, max_count = 10;
u32 sid = DEFAULT_SID;
if (!device->power_enabled)
return;
if (!(device->intr_status & WRAPPER_INTR_STATUS_A2HWD_BMSK_IRIS2))
disable_irq_nosync(device->hal_data->irq);
device->intr_status = 0;
/* HPG 6.1.2 Step 1 */
__write_register(device, CPU_CS_X2RPMh_IRIS2, 0x3, sid);
/* HPG 6.1.2 Step 2, noc to low power */
if (device->res->vpu_ver == VPU_VERSION_IRIS2_1)
goto skip_aon_mvp_noc;
__write_register(device, AON_WRAPPER_MVP_NOC_LPI_CONTROL, 0x1, sid);
while (!reg_status && count < max_count) {
lpi_status =
__read_register(device,
AON_WRAPPER_MVP_NOC_LPI_STATUS, sid);
reg_status = lpi_status & BIT(0);
d_vpr_h("Noc: lpi_status %d noc_status %d (count %d)\n",
lpi_status, reg_status, count);
usleep_range(50, 100);
count++;
}
if (count == max_count) {
d_vpr_e("NOC not in qaccept status %d\n", reg_status);
}
/* HPG 6.1.2 Step 3, debug bridge to low power */
skip_aon_mvp_noc:
__write_register(device,
WRAPPER_DEBUG_BRIDGE_LPI_CONTROL_IRIS2, 0x7, sid);
reg_status = 0;
count = 0;
while ((reg_status != 0x7) && count < max_count) {
lpi_status = __read_register(device,
WRAPPER_DEBUG_BRIDGE_LPI_STATUS_IRIS2, sid);
reg_status = lpi_status & 0x7;
d_vpr_h("DBLP Set : lpi_status %d reg_status %d (count %d)\n",
lpi_status, reg_status, count);
usleep_range(50, 100);
count++;
}
if (count == max_count)
d_vpr_e("DBLP Set: status %d\n", reg_status);
/* HPG 6.1.2 Step 4, debug bridge to lpi release */
__write_register(device,
WRAPPER_DEBUG_BRIDGE_LPI_CONTROL_IRIS2, 0x0, sid);
lpi_status = 0x1;
count = 0;
while (lpi_status && count < max_count) {
lpi_status = __read_register(device,
WRAPPER_DEBUG_BRIDGE_LPI_STATUS_IRIS2, sid);
d_vpr_h("DBLP Release: lpi_status %d(count %d)\n",
lpi_status, count);
usleep_range(50, 100);
count++;
}
if (count == max_count)
d_vpr_e("DBLP Release: lpi_status %d\n", lpi_status);
/* HPG 6.1.2 Step 6 */
__disable_unprepare_clks(device);
/* HPG 6.1.2 Step 5 */
if (__disable_regulators(device))
d_vpr_e("%s: Failed to disable regulators\n", __func__);
if (__unvote_buses(device, sid))
d_vpr_e("%s: Failed to unvote for buses\n", __func__);
device->power_enabled = false;
}
int __prepare_pc_iris2(struct venus_hfi_device *device)
{
int rc = 0;
u32 wfi_status = 0, idle_status = 0, pc_ready = 0;
u32 ctrl_status = 0;
int count = 0;
const int max_tries = 10;
ctrl_status = __read_register(device, CTRL_STATUS_IRIS2, DEFAULT_SID);
pc_ready = ctrl_status & CTRL_STATUS_PC_READY_IRIS2;
idle_status = ctrl_status & BIT(30);
if (pc_ready) {
d_vpr_h("Already in pc_ready state\n");
return 0;
}
wfi_status = BIT(0) & __read_register(device, WRAPPER_TZ_CPU_STATUS,
DEFAULT_SID);
if (!wfi_status || !idle_status) {
d_vpr_e("Skipping PC, wfi status not set\n");
goto skip_power_off;
}
rc = __prepare_pc(device);
if (rc) {
d_vpr_e("Failed __prepare_pc %d\n", rc);
goto skip_power_off;
}
while (count < max_tries) {
wfi_status = BIT(0) & __read_register(device,
WRAPPER_TZ_CPU_STATUS, DEFAULT_SID);
ctrl_status = __read_register(device,
CTRL_STATUS_IRIS2, DEFAULT_SID);
if (wfi_status && (ctrl_status & CTRL_STATUS_PC_READY_IRIS2))
break;
usleep_range(150, 250);
count++;
}
if (count == max_tries) {
d_vpr_e("Skip PC. Core is not in right state\n");
goto skip_power_off;
}
return rc;
skip_power_off:
d_vpr_e("Skip PC, wfi=%#x, idle=%#x, pcr=%#x, ctrl=%#x)\n",
wfi_status, idle_status, pc_ready, ctrl_status);
return -EAGAIN;
}
void __raise_interrupt_iris2(struct venus_hfi_device *device, u32 sid)
{
__write_register(device, CPU_IC_SOFTINT_IRIS2,
1 << CPU_IC_SOFTINT_H2A_SHFT_IRIS2, sid);
}
bool __watchdog_iris2(u32 intr_status)
{
bool rc = false;
if (intr_status & WRAPPER_INTR_STATUS_A2HWD_BMSK_IRIS2)
rc = true;
return rc;
}
void __noc_error_info_iris2(struct venus_hfi_device *device)
{
u32 val = 0;
u32 sid = DEFAULT_SID;
if (device->res->vpu_ver == VPU_VERSION_IRIS2_1)
return;
val = __read_register(device, VCODEC_NOC_ERL_MAIN_SWID_LOW, sid);
d_vpr_e("VCODEC_NOC_ERL_MAIN_SWID_LOW: %#x\n", val);
val = __read_register(device, VCODEC_NOC_ERL_MAIN_SWID_HIGH, sid);
d_vpr_e("VCODEC_NOC_ERL_MAIN_SWID_HIGH: %#x\n", val);
val = __read_register(device, VCODEC_NOC_ERL_MAIN_MAINCTL_LOW, sid);
d_vpr_e("VCODEC_NOC_ERL_MAIN_MAINCTL_LOW: %#x\n", val);
val = __read_register(device, VCODEC_NOC_ERL_MAIN_ERRVLD_LOW, sid);
d_vpr_e("VCODEC_NOC_ERL_MAIN_ERRVLD_LOW: %#x\n", val);
val = __read_register(device, VCODEC_NOC_ERL_MAIN_ERRCLR_LOW, sid);
d_vpr_e("VCODEC_NOC_ERL_MAIN_ERRCLR_LOW: %#x\n", val);
val = __read_register(device, VCODEC_NOC_ERL_MAIN_ERRLOG0_LOW, sid);
d_vpr_e("VCODEC_NOC_ERL_MAIN_ERRLOG0_LOW: %#x\n", val);
val = __read_register(device, VCODEC_NOC_ERL_MAIN_ERRLOG0_HIGH, sid);
d_vpr_e("VCODEC_NOC_ERL_MAIN_ERRLOG0_HIGH: %#x\n", val);
val = __read_register(device, VCODEC_NOC_ERL_MAIN_ERRLOG1_LOW, sid);
d_vpr_e("VCODEC_NOC_ERL_MAIN_ERRLOG1_LOW: %#x\n", val);
val = __read_register(device, VCODEC_NOC_ERL_MAIN_ERRLOG1_HIGH, sid);
d_vpr_e("VCODEC_NOC_ERL_MAIN_ERRLOG1_HIGH: %#x\n", val);
val = __read_register(device, VCODEC_NOC_ERL_MAIN_ERRLOG2_LOW, sid);
d_vpr_e("VCODEC_NOC_ERL_MAIN_ERRLOG2_LOW: %#x\n", val);
val = __read_register(device, VCODEC_NOC_ERL_MAIN_ERRLOG2_HIGH, sid);
d_vpr_e("VCODEC_NOC_ERL_MAIN_ERRLOG2_HIGH: %#x\n", val);
val = __read_register(device, VCODEC_NOC_ERL_MAIN_ERRLOG3_LOW, sid);
d_vpr_e("VCODEC_NOC_ERL_MAIN_ERRLOG3_LOW: %#x\n", val);
val = __read_register(device, VCODEC_NOC_ERL_MAIN_ERRLOG3_HIGH, sid);
d_vpr_e("VCODEC_NOC_ERL_MAIN_ERRLOG3_HIGH: %#x\n", val);
}
void __core_clear_interrupt_iris2(struct venus_hfi_device *device)
{
u32 intr_status = 0, mask = 0;
if (!device) {
d_vpr_e("%s: NULL device\n", __func__);
return;
}
intr_status = __read_register(device, WRAPPER_INTR_STATUS_IRIS2,
DEFAULT_SID);
mask = (WRAPPER_INTR_STATUS_A2H_BMSK_IRIS2|
WRAPPER_INTR_STATUS_A2HWD_BMSK_IRIS2|
CTRL_INIT_IDLE_MSG_BMSK_IRIS2);
if (intr_status & mask) {
device->intr_status |= intr_status;
device->reg_count++;
d_vpr_l("INTERRUPT: times: %d interrupt_status: %d\n",
device->reg_count, intr_status);
} else {
device->spur_count++;
}
__write_register(device, CPU_CS_A2HSOFTINTCLR_IRIS2, 1, DEFAULT_SID);
}
int __boot_firmware_iris2(struct venus_hfi_device *device, u32 sid)
{
int rc = 0;
u32 ctrl_init_val = 0, ctrl_status = 0, count = 0, max_tries = 1000;
ctrl_init_val = BIT(0);
__write_register(device, CTRL_INIT_IRIS2, ctrl_init_val, sid);
while (!ctrl_status && count < max_tries) {
ctrl_status = __read_register(device, CTRL_STATUS_IRIS2, sid);
if ((ctrl_status & CTRL_ERROR_STATUS__M_IRIS2) == 0x4) {
s_vpr_e(sid, "invalid setting for UC_REGION\n");
break;
}
usleep_range(50, 100);
count++;
}
if (count >= max_tries) {
s_vpr_e(sid, "Error booting up vidc firmware\n");
rc = -ETIME;
}
/* Enable interrupt before sending commands to venus */
__write_register(device, CPU_CS_H2XSOFTINTEN_IRIS2, 0x1, sid);
__write_register(device, CPU_CS_X2RPMh_IRIS2, 0x0, sid);
return rc;
}
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