diff options
Diffstat (limited to 'drivers/accel/ivpu/ivpu_hw_btrs.c')
| -rw-r--r-- | drivers/accel/ivpu/ivpu_hw_btrs.c | 905 |
1 files changed, 905 insertions, 0 deletions
diff --git a/drivers/accel/ivpu/ivpu_hw_btrs.c b/drivers/accel/ivpu/ivpu_hw_btrs.c new file mode 100644 index 000000000000..745e5248803d --- /dev/null +++ b/drivers/accel/ivpu/ivpu_hw_btrs.c @@ -0,0 +1,905 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2020-2024 Intel Corporation + */ + +#include "ivpu_drv.h" +#include "ivpu_hw.h" +#include "ivpu_hw_btrs.h" +#include "ivpu_hw_btrs_lnl_reg.h" +#include "ivpu_hw_btrs_mtl_reg.h" +#include "ivpu_hw_reg_io.h" +#include "ivpu_pm.h" + +#define BTRS_MTL_IRQ_MASK ((REG_FLD(VPU_HW_BTRS_MTL_INTERRUPT_STAT, ATS_ERR)) | \ + (REG_FLD(VPU_HW_BTRS_MTL_INTERRUPT_STAT, UFI_ERR))) + +#define BTRS_LNL_IRQ_MASK ((REG_FLD(VPU_HW_BTRS_LNL_INTERRUPT_STAT, ATS_ERR)) | \ + (REG_FLD(VPU_HW_BTRS_LNL_INTERRUPT_STAT, CFI0_ERR)) | \ + (REG_FLD(VPU_HW_BTRS_LNL_INTERRUPT_STAT, CFI1_ERR)) | \ + (REG_FLD(VPU_HW_BTRS_LNL_INTERRUPT_STAT, IMR0_ERR)) | \ + (REG_FLD(VPU_HW_BTRS_LNL_INTERRUPT_STAT, IMR1_ERR)) | \ + (REG_FLD(VPU_HW_BTRS_LNL_INTERRUPT_STAT, SURV_ERR))) + +#define BTRS_MTL_ALL_IRQ_MASK (BTRS_MTL_IRQ_MASK | (REG_FLD(VPU_HW_BTRS_MTL_INTERRUPT_STAT, \ + FREQ_CHANGE))) + +#define BTRS_IRQ_DISABLE_MASK ((u32)-1) + +#define BTRS_LNL_ALL_IRQ_MASK ((u32)-1) + +#define BTRS_MTL_WP_CONFIG_1_TILE_5_3_RATIO WP_CONFIG(MTL_CONFIG_1_TILE, MTL_PLL_RATIO_5_3) +#define BTRS_MTL_WP_CONFIG_1_TILE_4_3_RATIO WP_CONFIG(MTL_CONFIG_1_TILE, MTL_PLL_RATIO_4_3) +#define BTRS_MTL_WP_CONFIG_2_TILE_5_3_RATIO WP_CONFIG(MTL_CONFIG_2_TILE, MTL_PLL_RATIO_5_3) +#define BTRS_MTL_WP_CONFIG_2_TILE_4_3_RATIO WP_CONFIG(MTL_CONFIG_2_TILE, MTL_PLL_RATIO_4_3) +#define BTRS_MTL_WP_CONFIG_0_TILE_PLL_OFF WP_CONFIG(0, 0) + +#define PLL_CDYN_DEFAULT 0x80 +#define PLL_EPP_DEFAULT 0x80 +#define PLL_CONFIG_DEFAULT 0x0 +#define PLL_SIMULATION_FREQ 10000000 +#define PLL_REF_CLK_FREQ 50000000 +#define PLL_TIMEOUT_US (1500 * USEC_PER_MSEC) +#define IDLE_TIMEOUT_US (5 * USEC_PER_MSEC) +#define TIMEOUT_US (150 * USEC_PER_MSEC) + +/* Work point configuration values */ +#define WP_CONFIG(tile, ratio) (((tile) << 8) | (ratio)) +#define MTL_CONFIG_1_TILE 0x01 +#define MTL_CONFIG_2_TILE 0x02 +#define MTL_PLL_RATIO_5_3 0x01 +#define MTL_PLL_RATIO_4_3 0x02 +#define BTRS_MTL_TILE_FUSE_ENABLE_BOTH 0x0 +#define BTRS_MTL_TILE_SKU_BOTH 0x3630 + +#define BTRS_LNL_TILE_MAX_NUM 6 +#define BTRS_LNL_TILE_MAX_MASK 0x3f + +#define WEIGHTS_DEFAULT 0xf711f711u +#define WEIGHTS_ATS_DEFAULT 0x0000f711u + +#define DCT_REQ 0x2 +#define DCT_ENABLE 0x1 +#define DCT_DISABLE 0x0 + +int ivpu_hw_btrs_irqs_clear_with_0_mtl(struct ivpu_device *vdev) +{ + REGB_WR32(VPU_HW_BTRS_MTL_INTERRUPT_STAT, BTRS_MTL_ALL_IRQ_MASK); + if (REGB_RD32(VPU_HW_BTRS_MTL_INTERRUPT_STAT) == BTRS_MTL_ALL_IRQ_MASK) { + /* Writing 1s does not clear the interrupt status register */ + REGB_WR32(VPU_HW_BTRS_MTL_INTERRUPT_STAT, 0x0); + return true; + } + + return false; +} + +static void freq_ratios_init_mtl(struct ivpu_device *vdev) +{ + struct ivpu_hw_info *hw = vdev->hw; + u32 fmin_fuse, fmax_fuse; + + fmin_fuse = REGB_RD32(VPU_HW_BTRS_MTL_FMIN_FUSE); + hw->pll.min_ratio = REG_GET_FLD(VPU_HW_BTRS_MTL_FMIN_FUSE, MIN_RATIO, fmin_fuse); + hw->pll.pn_ratio = REG_GET_FLD(VPU_HW_BTRS_MTL_FMIN_FUSE, PN_RATIO, fmin_fuse); + + fmax_fuse = REGB_RD32(VPU_HW_BTRS_MTL_FMAX_FUSE); + hw->pll.max_ratio = REG_GET_FLD(VPU_HW_BTRS_MTL_FMAX_FUSE, MAX_RATIO, fmax_fuse); +} + +static void freq_ratios_init_lnl(struct ivpu_device *vdev) +{ + struct ivpu_hw_info *hw = vdev->hw; + u32 fmin_fuse, fmax_fuse; + + fmin_fuse = REGB_RD32(VPU_HW_BTRS_LNL_FMIN_FUSE); + hw->pll.min_ratio = REG_GET_FLD(VPU_HW_BTRS_LNL_FMIN_FUSE, MIN_RATIO, fmin_fuse); + hw->pll.pn_ratio = REG_GET_FLD(VPU_HW_BTRS_LNL_FMIN_FUSE, PN_RATIO, fmin_fuse); + + fmax_fuse = REGB_RD32(VPU_HW_BTRS_LNL_FMAX_FUSE); + hw->pll.max_ratio = REG_GET_FLD(VPU_HW_BTRS_LNL_FMAX_FUSE, MAX_RATIO, fmax_fuse); +} + +void ivpu_hw_btrs_freq_ratios_init(struct ivpu_device *vdev) +{ + struct ivpu_hw_info *hw = vdev->hw; + + if (ivpu_hw_btrs_gen(vdev) == IVPU_HW_BTRS_MTL) + freq_ratios_init_mtl(vdev); + else + freq_ratios_init_lnl(vdev); + + hw->pll.min_ratio = clamp_t(u8, ivpu_pll_min_ratio, hw->pll.min_ratio, hw->pll.max_ratio); + hw->pll.max_ratio = clamp_t(u8, ivpu_pll_max_ratio, hw->pll.min_ratio, hw->pll.max_ratio); + hw->pll.pn_ratio = clamp_t(u8, hw->pll.pn_ratio, hw->pll.min_ratio, hw->pll.max_ratio); +} + +static bool tile_disable_check(u32 config) +{ + /* Allowed values: 0 or one bit from range 0-5 (6 tiles) */ + if (config == 0) + return true; + + if (config > BIT(BTRS_LNL_TILE_MAX_NUM - 1)) + return false; + + if ((config & (config - 1)) == 0) + return true; + + return false; +} + +static int read_tile_config_fuse(struct ivpu_device *vdev, u32 *tile_fuse_config) +{ + u32 fuse; + u32 config; + + fuse = REGB_RD32(VPU_HW_BTRS_LNL_TILE_FUSE); + if (!REG_TEST_FLD(VPU_HW_BTRS_LNL_TILE_FUSE, VALID, fuse)) { + ivpu_err(vdev, "Fuse: invalid (0x%x)\n", fuse); + return -EIO; + } + + config = REG_GET_FLD(VPU_HW_BTRS_LNL_TILE_FUSE, CONFIG, fuse); + if (!tile_disable_check(config)) { + ivpu_err(vdev, "Fuse: Invalid tile disable config (0x%x)\n", config); + return -EIO; + } + + if (config) + ivpu_dbg(vdev, MISC, "Fuse: %d tiles enabled. Tile number %d disabled\n", + BTRS_LNL_TILE_MAX_NUM - 1, ffs(config) - 1); + else + ivpu_dbg(vdev, MISC, "Fuse: All %d tiles enabled\n", BTRS_LNL_TILE_MAX_NUM); + + *tile_fuse_config = config; + return 0; +} + +static int info_init_mtl(struct ivpu_device *vdev) +{ + struct ivpu_hw_info *hw = vdev->hw; + + hw->tile_fuse = BTRS_MTL_TILE_FUSE_ENABLE_BOTH; + hw->sku = BTRS_MTL_TILE_SKU_BOTH; + hw->config = BTRS_MTL_WP_CONFIG_2_TILE_4_3_RATIO; + hw->sched_mode = ivpu_sched_mode; + + return 0; +} + +static int info_init_lnl(struct ivpu_device *vdev) +{ + struct ivpu_hw_info *hw = vdev->hw; + u32 tile_fuse_config; + int ret; + + ret = read_tile_config_fuse(vdev, &tile_fuse_config); + if (ret) + return ret; + + hw->sched_mode = ivpu_sched_mode; + hw->tile_fuse = tile_fuse_config; + hw->pll.profiling_freq = PLL_PROFILING_FREQ_DEFAULT; + + return 0; +} + +int ivpu_hw_btrs_info_init(struct ivpu_device *vdev) +{ + if (ivpu_hw_btrs_gen(vdev) == IVPU_HW_BTRS_MTL) + return info_init_mtl(vdev); + else + return info_init_lnl(vdev); +} + +static int wp_request_sync(struct ivpu_device *vdev) +{ + if (ivpu_hw_btrs_gen(vdev) == IVPU_HW_BTRS_MTL) + return REGB_POLL_FLD(VPU_HW_BTRS_MTL_WP_REQ_CMD, SEND, 0, PLL_TIMEOUT_US); + else + return REGB_POLL_FLD(VPU_HW_BTRS_LNL_WP_REQ_CMD, SEND, 0, PLL_TIMEOUT_US); +} + +static int wait_for_status_ready(struct ivpu_device *vdev, bool enable) +{ + u32 exp_val = enable ? 0x1 : 0x0; + + if (IVPU_WA(punit_disabled)) + return 0; + + if (ivpu_hw_btrs_gen(vdev) == IVPU_HW_BTRS_MTL) + return REGB_POLL_FLD(VPU_HW_BTRS_MTL_VPU_STATUS, READY, exp_val, PLL_TIMEOUT_US); + else + return REGB_POLL_FLD(VPU_HW_BTRS_LNL_VPU_STATUS, READY, exp_val, PLL_TIMEOUT_US); +} + +struct wp_request { + u16 min; + u16 max; + u16 target; + u16 cfg; + u16 epp; + u16 cdyn; +}; + +static void wp_request_mtl(struct ivpu_device *vdev, struct wp_request *wp) +{ + u32 val; + + val = REGB_RD32(VPU_HW_BTRS_MTL_WP_REQ_PAYLOAD0); + val = REG_SET_FLD_NUM(VPU_HW_BTRS_MTL_WP_REQ_PAYLOAD0, MIN_RATIO, wp->min, val); + val = REG_SET_FLD_NUM(VPU_HW_BTRS_MTL_WP_REQ_PAYLOAD0, MAX_RATIO, wp->max, val); + REGB_WR32(VPU_HW_BTRS_MTL_WP_REQ_PAYLOAD0, val); + + val = REGB_RD32(VPU_HW_BTRS_MTL_WP_REQ_PAYLOAD1); + val = REG_SET_FLD_NUM(VPU_HW_BTRS_MTL_WP_REQ_PAYLOAD1, TARGET_RATIO, wp->target, val); + val = REG_SET_FLD_NUM(VPU_HW_BTRS_MTL_WP_REQ_PAYLOAD1, EPP, PLL_EPP_DEFAULT, val); + REGB_WR32(VPU_HW_BTRS_MTL_WP_REQ_PAYLOAD1, val); + + val = REGB_RD32(VPU_HW_BTRS_MTL_WP_REQ_PAYLOAD2); + val = REG_SET_FLD_NUM(VPU_HW_BTRS_MTL_WP_REQ_PAYLOAD2, CONFIG, wp->cfg, val); + REGB_WR32(VPU_HW_BTRS_MTL_WP_REQ_PAYLOAD2, val); + + val = REGB_RD32(VPU_HW_BTRS_MTL_WP_REQ_CMD); + val = REG_SET_FLD(VPU_HW_BTRS_MTL_WP_REQ_CMD, SEND, val); + REGB_WR32(VPU_HW_BTRS_MTL_WP_REQ_CMD, val); +} + +static void wp_request_lnl(struct ivpu_device *vdev, struct wp_request *wp) +{ + u32 val; + + val = REGB_RD32(VPU_HW_BTRS_LNL_WP_REQ_PAYLOAD0); + val = REG_SET_FLD_NUM(VPU_HW_BTRS_LNL_WP_REQ_PAYLOAD0, MIN_RATIO, wp->min, val); + val = REG_SET_FLD_NUM(VPU_HW_BTRS_LNL_WP_REQ_PAYLOAD0, MAX_RATIO, wp->max, val); + REGB_WR32(VPU_HW_BTRS_LNL_WP_REQ_PAYLOAD0, val); + + val = REGB_RD32(VPU_HW_BTRS_LNL_WP_REQ_PAYLOAD1); + val = REG_SET_FLD_NUM(VPU_HW_BTRS_LNL_WP_REQ_PAYLOAD1, TARGET_RATIO, wp->target, val); + val = REG_SET_FLD_NUM(VPU_HW_BTRS_LNL_WP_REQ_PAYLOAD1, EPP, wp->epp, val); + REGB_WR32(VPU_HW_BTRS_LNL_WP_REQ_PAYLOAD1, val); + + val = REGB_RD32(VPU_HW_BTRS_LNL_WP_REQ_PAYLOAD2); + val = REG_SET_FLD_NUM(VPU_HW_BTRS_LNL_WP_REQ_PAYLOAD2, CONFIG, wp->cfg, val); + val = REG_SET_FLD_NUM(VPU_HW_BTRS_LNL_WP_REQ_PAYLOAD2, CDYN, wp->cdyn, val); + REGB_WR32(VPU_HW_BTRS_LNL_WP_REQ_PAYLOAD2, val); + + val = REGB_RD32(VPU_HW_BTRS_LNL_WP_REQ_CMD); + val = REG_SET_FLD(VPU_HW_BTRS_LNL_WP_REQ_CMD, SEND, val); + REGB_WR32(VPU_HW_BTRS_LNL_WP_REQ_CMD, val); +} + +static void wp_request(struct ivpu_device *vdev, struct wp_request *wp) +{ + if (ivpu_hw_btrs_gen(vdev) == IVPU_HW_BTRS_MTL) + wp_request_mtl(vdev, wp); + else + wp_request_lnl(vdev, wp); +} + +static int wp_request_send(struct ivpu_device *vdev, struct wp_request *wp) +{ + int ret; + + ret = wp_request_sync(vdev); + if (ret) { + ivpu_err(vdev, "Failed to sync before workpoint request: %d\n", ret); + return ret; + } + + wp_request(vdev, wp); + + ret = wp_request_sync(vdev); + if (ret) + ivpu_err(vdev, "Failed to sync after workpoint request: %d\n", ret); + + return ret; +} + +static void prepare_wp_request(struct ivpu_device *vdev, struct wp_request *wp, bool enable) +{ + struct ivpu_hw_info *hw = vdev->hw; + + wp->min = hw->pll.min_ratio; + wp->max = hw->pll.max_ratio; + + if (ivpu_hw_btrs_gen(vdev) == IVPU_HW_BTRS_MTL) { + wp->target = enable ? hw->pll.pn_ratio : 0; + wp->cfg = enable ? hw->config : 0; + wp->cdyn = 0; + wp->epp = 0; + } else { + wp->target = hw->pll.pn_ratio; + wp->cfg = enable ? PLL_CONFIG_DEFAULT : 0; + wp->cdyn = enable ? PLL_CDYN_DEFAULT : 0; + wp->epp = enable ? PLL_EPP_DEFAULT : 0; + } + + /* Simics cannot start without at least one tile */ + if (enable && ivpu_is_simics(vdev)) + wp->cfg = 1; +} + +static int wait_for_pll_lock(struct ivpu_device *vdev, bool enable) +{ + u32 exp_val = enable ? 0x1 : 0x0; + + if (ivpu_hw_btrs_gen(vdev) != IVPU_HW_BTRS_MTL) + return 0; + + if (IVPU_WA(punit_disabled)) + return 0; + + return REGB_POLL_FLD(VPU_HW_BTRS_MTL_PLL_STATUS, LOCK, exp_val, PLL_TIMEOUT_US); +} + +int ivpu_hw_btrs_wp_drive(struct ivpu_device *vdev, bool enable) +{ + struct wp_request wp; + int ret; + + if (IVPU_WA(punit_disabled)) { + ivpu_dbg(vdev, PM, "Skipping workpoint request\n"); + return 0; + } + + prepare_wp_request(vdev, &wp, enable); + + ivpu_dbg(vdev, PM, "PLL workpoint request: %u Hz, config: 0x%x, epp: 0x%x, cdyn: 0x%x\n", + PLL_RATIO_TO_FREQ(wp.target), wp.cfg, wp.epp, wp.cdyn); + + ret = wp_request_send(vdev, &wp); + if (ret) { + ivpu_err(vdev, "Failed to send workpoint request: %d\n", ret); + return ret; + } + + ret = wait_for_pll_lock(vdev, enable); + if (ret) { + ivpu_err(vdev, "Timed out waiting for PLL lock\n"); + return ret; + } + + ret = wait_for_status_ready(vdev, enable); + if (ret) { + ivpu_err(vdev, "Timed out waiting for NPU ready status\n"); + return ret; + } + + return 0; +} + +static int d0i3_drive_mtl(struct ivpu_device *vdev, bool enable) +{ + int ret; + u32 val; + + ret = REGB_POLL_FLD(VPU_HW_BTRS_MTL_VPU_D0I3_CONTROL, INPROGRESS, 0, TIMEOUT_US); + if (ret) { + ivpu_err(vdev, "Failed to sync before D0i3 transition: %d\n", ret); + return ret; + } + + val = REGB_RD32(VPU_HW_BTRS_MTL_VPU_D0I3_CONTROL); + if (enable) + val = REG_SET_FLD(VPU_HW_BTRS_MTL_VPU_D0I3_CONTROL, I3, val); + else + val = REG_CLR_FLD(VPU_HW_BTRS_MTL_VPU_D0I3_CONTROL, I3, val); + REGB_WR32(VPU_HW_BTRS_MTL_VPU_D0I3_CONTROL, val); + + ret = REGB_POLL_FLD(VPU_HW_BTRS_MTL_VPU_D0I3_CONTROL, INPROGRESS, 0, TIMEOUT_US); + if (ret) + ivpu_err(vdev, "Failed to sync after D0i3 transition: %d\n", ret); + + return ret; +} + +static int d0i3_drive_lnl(struct ivpu_device *vdev, bool enable) +{ + int ret; + u32 val; + + ret = REGB_POLL_FLD(VPU_HW_BTRS_LNL_D0I3_CONTROL, INPROGRESS, 0, TIMEOUT_US); + if (ret) { + ivpu_err(vdev, "Failed to sync before D0i3 transition: %d\n", ret); + return ret; + } + + val = REGB_RD32(VPU_HW_BTRS_LNL_D0I3_CONTROL); + if (enable) + val = REG_SET_FLD(VPU_HW_BTRS_LNL_D0I3_CONTROL, I3, val); + else + val = REG_CLR_FLD(VPU_HW_BTRS_LNL_D0I3_CONTROL, I3, val); + REGB_WR32(VPU_HW_BTRS_LNL_D0I3_CONTROL, val); + + ret = REGB_POLL_FLD(VPU_HW_BTRS_LNL_D0I3_CONTROL, INPROGRESS, 0, TIMEOUT_US); + if (ret) { + ivpu_err(vdev, "Failed to sync after D0i3 transition: %d\n", ret); + return ret; + } + + return 0; +} + +static int d0i3_drive(struct ivpu_device *vdev, bool enable) +{ + if (ivpu_hw_btrs_gen(vdev) == IVPU_HW_BTRS_MTL) + return d0i3_drive_mtl(vdev, enable); + else + return d0i3_drive_lnl(vdev, enable); +} + +int ivpu_hw_btrs_d0i3_enable(struct ivpu_device *vdev) +{ + int ret; + + if (IVPU_WA(punit_disabled)) + return 0; + + ret = d0i3_drive(vdev, true); + if (ret) + ivpu_err(vdev, "Failed to enable D0i3: %d\n", ret); + + udelay(5); /* VPU requires 5 us to complete the transition */ + + return ret; +} + +int ivpu_hw_btrs_d0i3_disable(struct ivpu_device *vdev) +{ + int ret; + + if (IVPU_WA(punit_disabled)) + return 0; + + ret = d0i3_drive(vdev, false); + if (ret) + ivpu_err(vdev, "Failed to disable D0i3: %d\n", ret); + + return ret; +} + +int ivpu_hw_btrs_wait_for_clock_res_own_ack(struct ivpu_device *vdev) +{ + if (ivpu_hw_btrs_gen(vdev) == IVPU_HW_BTRS_MTL) + return 0; + + if (ivpu_is_simics(vdev)) + return 0; + + return REGB_POLL_FLD(VPU_HW_BTRS_LNL_VPU_STATUS, CLOCK_RESOURCE_OWN_ACK, 1, TIMEOUT_US); +} + +void ivpu_hw_btrs_set_port_arbitration_weights_lnl(struct ivpu_device *vdev) +{ + REGB_WR32(VPU_HW_BTRS_LNL_PORT_ARBITRATION_WEIGHTS, WEIGHTS_DEFAULT); + REGB_WR32(VPU_HW_BTRS_LNL_PORT_ARBITRATION_WEIGHTS_ATS, WEIGHTS_ATS_DEFAULT); +} + +static int ip_reset_mtl(struct ivpu_device *vdev) +{ + int ret; + u32 val; + + ret = REGB_POLL_FLD(VPU_HW_BTRS_MTL_VPU_IP_RESET, TRIGGER, 0, TIMEOUT_US); + if (ret) { + ivpu_err(vdev, "Timed out waiting for TRIGGER bit\n"); + return ret; + } + + val = REGB_RD32(VPU_HW_BTRS_MTL_VPU_IP_RESET); + val = REG_SET_FLD(VPU_HW_BTRS_MTL_VPU_IP_RESET, TRIGGER, val); + REGB_WR32(VPU_HW_BTRS_MTL_VPU_IP_RESET, val); + + ret = REGB_POLL_FLD(VPU_HW_BTRS_MTL_VPU_IP_RESET, TRIGGER, 0, TIMEOUT_US); + if (ret) + ivpu_err(vdev, "Timed out waiting for RESET completion\n"); + + return ret; +} + +static int ip_reset_lnl(struct ivpu_device *vdev) +{ + int ret; + u32 val; + + ivpu_hw_btrs_clock_relinquish_disable_lnl(vdev); + + ret = REGB_POLL_FLD(VPU_HW_BTRS_LNL_IP_RESET, TRIGGER, 0, TIMEOUT_US); + if (ret) { + ivpu_err(vdev, "Wait for *_TRIGGER timed out\n"); + return ret; + } + + val = REGB_RD32(VPU_HW_BTRS_LNL_IP_RESET); + val = REG_SET_FLD(VPU_HW_BTRS_LNL_IP_RESET, TRIGGER, val); + REGB_WR32(VPU_HW_BTRS_LNL_IP_RESET, val); + + ret = REGB_POLL_FLD(VPU_HW_BTRS_LNL_IP_RESET, TRIGGER, 0, TIMEOUT_US); + if (ret) + ivpu_err(vdev, "Timed out waiting for RESET completion\n"); + + return ret; +} + +int ivpu_hw_btrs_ip_reset(struct ivpu_device *vdev) +{ + if (IVPU_WA(punit_disabled)) + return 0; + + if (ivpu_hw_btrs_gen(vdev) == IVPU_HW_BTRS_MTL) + return ip_reset_mtl(vdev); + else + return ip_reset_lnl(vdev); +} + +void ivpu_hw_btrs_profiling_freq_reg_set_lnl(struct ivpu_device *vdev) +{ + u32 val = REGB_RD32(VPU_HW_BTRS_LNL_VPU_STATUS); + + if (vdev->hw->pll.profiling_freq == PLL_PROFILING_FREQ_DEFAULT) + val = REG_CLR_FLD(VPU_HW_BTRS_LNL_VPU_STATUS, PERF_CLK, val); + else + val = REG_SET_FLD(VPU_HW_BTRS_LNL_VPU_STATUS, PERF_CLK, val); + + REGB_WR32(VPU_HW_BTRS_LNL_VPU_STATUS, val); +} + +void ivpu_hw_btrs_ats_print_lnl(struct ivpu_device *vdev) +{ + ivpu_dbg(vdev, MISC, "Buttress ATS: %s\n", + REGB_RD32(VPU_HW_BTRS_LNL_HM_ATS) ? "Enable" : "Disable"); +} + +void ivpu_hw_btrs_clock_relinquish_disable_lnl(struct ivpu_device *vdev) +{ + u32 val = REGB_RD32(VPU_HW_BTRS_LNL_VPU_STATUS); + + val = REG_SET_FLD(VPU_HW_BTRS_LNL_VPU_STATUS, DISABLE_CLK_RELINQUISH, val); + REGB_WR32(VPU_HW_BTRS_LNL_VPU_STATUS, val); +} + +bool ivpu_hw_btrs_is_idle(struct ivpu_device *vdev) +{ + u32 val; + + if (IVPU_WA(punit_disabled)) + return true; + + if (ivpu_hw_btrs_gen(vdev) == IVPU_HW_BTRS_MTL) { + val = REGB_RD32(VPU_HW_BTRS_MTL_VPU_STATUS); + + return REG_TEST_FLD(VPU_HW_BTRS_MTL_VPU_STATUS, READY, val) && + REG_TEST_FLD(VPU_HW_BTRS_MTL_VPU_STATUS, IDLE, val); + } else { + val = REGB_RD32(VPU_HW_BTRS_LNL_VPU_STATUS); + + return REG_TEST_FLD(VPU_HW_BTRS_LNL_VPU_STATUS, READY, val) && + REG_TEST_FLD(VPU_HW_BTRS_LNL_VPU_STATUS, IDLE, val); + } +} + +int ivpu_hw_btrs_wait_for_idle(struct ivpu_device *vdev) +{ + if (ivpu_hw_btrs_gen(vdev) == IVPU_HW_BTRS_MTL) + return REGB_POLL_FLD(VPU_HW_BTRS_MTL_VPU_STATUS, IDLE, 0x1, IDLE_TIMEOUT_US); + else + return REGB_POLL_FLD(VPU_HW_BTRS_LNL_VPU_STATUS, IDLE, 0x1, IDLE_TIMEOUT_US); +} + +/* Handler for IRQs from Buttress core (irqB) */ +bool ivpu_hw_btrs_irq_handler_mtl(struct ivpu_device *vdev, int irq) +{ + u32 status = REGB_RD32(VPU_HW_BTRS_MTL_INTERRUPT_STAT) & BTRS_MTL_IRQ_MASK; + bool schedule_recovery = false; + + if (!status) + return false; + + if (REG_TEST_FLD(VPU_HW_BTRS_MTL_INTERRUPT_STAT, FREQ_CHANGE, status)) + ivpu_dbg(vdev, IRQ, "FREQ_CHANGE irq: %08x", + REGB_RD32(VPU_HW_BTRS_MTL_CURRENT_PLL)); + + if (REG_TEST_FLD(VPU_HW_BTRS_MTL_INTERRUPT_STAT, ATS_ERR, status)) { + ivpu_err(vdev, "ATS_ERR irq 0x%016llx", REGB_RD64(VPU_HW_BTRS_MTL_ATS_ERR_LOG_0)); + REGB_WR32(VPU_HW_BTRS_MTL_ATS_ERR_CLEAR, 0x1); + schedule_recovery = true; + } + + if (REG_TEST_FLD(VPU_HW_BTRS_MTL_INTERRUPT_STAT, UFI_ERR, status)) { + u32 ufi_log = REGB_RD32(VPU_HW_BTRS_MTL_UFI_ERR_LOG); + + ivpu_err(vdev, "UFI_ERR irq (0x%08x) opcode: 0x%02lx axi_id: 0x%02lx cq_id: 0x%03lx", + ufi_log, REG_GET_FLD(VPU_HW_BTRS_MTL_UFI_ERR_LOG, OPCODE, ufi_log), + REG_GET_FLD(VPU_HW_BTRS_MTL_UFI_ERR_LOG, AXI_ID, ufi_log), + REG_GET_FLD(VPU_HW_BTRS_MTL_UFI_ERR_LOG, CQ_ID, ufi_log)); + REGB_WR32(VPU_HW_BTRS_MTL_UFI_ERR_CLEAR, 0x1); + schedule_recovery = true; + } + + /* This must be done after interrupts are cleared at the source. */ + if (IVPU_WA(interrupt_clear_with_0)) + /* + * Writing 1 triggers an interrupt, so we can't perform read update write. + * Clear local interrupt status by writing 0 to all bits. + */ + REGB_WR32(VPU_HW_BTRS_MTL_INTERRUPT_STAT, 0x0); + else + REGB_WR32(VPU_HW_BTRS_MTL_INTERRUPT_STAT, status); + + if (schedule_recovery) + ivpu_pm_trigger_recovery(vdev, "Buttress IRQ"); + + return true; +} + +/* Handler for IRQs from Buttress core (irqB) */ +bool ivpu_hw_btrs_irq_handler_lnl(struct ivpu_device *vdev, int irq) +{ + u32 status = REGB_RD32(VPU_HW_BTRS_LNL_INTERRUPT_STAT) & BTRS_LNL_IRQ_MASK; + bool schedule_recovery = false; + + if (!status) + return false; + + if (REG_TEST_FLD(VPU_HW_BTRS_LNL_INTERRUPT_STAT, SURV_ERR, status)) { + ivpu_dbg(vdev, IRQ, "Survivability IRQ\n"); + if (!kfifo_put(&vdev->hw->irq.fifo, IVPU_HW_IRQ_SRC_DCT)) + ivpu_err_ratelimited(vdev, "IRQ FIFO full\n"); + } + + if (REG_TEST_FLD(VPU_HW_BTRS_LNL_INTERRUPT_STAT, FREQ_CHANGE, status)) + ivpu_dbg(vdev, IRQ, "FREQ_CHANGE irq: %08x", REGB_RD32(VPU_HW_BTRS_LNL_PLL_FREQ)); + + if (REG_TEST_FLD(VPU_HW_BTRS_LNL_INTERRUPT_STAT, ATS_ERR, status)) { + ivpu_err(vdev, "ATS_ERR LOG1 0x%08x ATS_ERR_LOG2 0x%08x\n", + REGB_RD32(VPU_HW_BTRS_LNL_ATS_ERR_LOG1), + REGB_RD32(VPU_HW_BTRS_LNL_ATS_ERR_LOG2)); + REGB_WR32(VPU_HW_BTRS_LNL_ATS_ERR_CLEAR, 0x1); + schedule_recovery = true; + } + + if (REG_TEST_FLD(VPU_HW_BTRS_LNL_INTERRUPT_STAT, CFI0_ERR, status)) { + ivpu_err(vdev, "CFI0_ERR 0x%08x", REGB_RD32(VPU_HW_BTRS_LNL_CFI0_ERR_LOG)); + REGB_WR32(VPU_HW_BTRS_LNL_CFI0_ERR_CLEAR, 0x1); + schedule_recovery = true; + } + + if (REG_TEST_FLD(VPU_HW_BTRS_LNL_INTERRUPT_STAT, CFI1_ERR, status)) { + ivpu_err(vdev, "CFI1_ERR 0x%08x", REGB_RD32(VPU_HW_BTRS_LNL_CFI1_ERR_LOG)); + REGB_WR32(VPU_HW_BTRS_LNL_CFI1_ERR_CLEAR, 0x1); + schedule_recovery = true; + } + + if (REG_TEST_FLD(VPU_HW_BTRS_LNL_INTERRUPT_STAT, IMR0_ERR, status)) { + ivpu_err(vdev, "IMR_ERR_CFI0 LOW: 0x%08x HIGH: 0x%08x", + REGB_RD32(VPU_HW_BTRS_LNL_IMR_ERR_CFI0_LOW), + REGB_RD32(VPU_HW_BTRS_LNL_IMR_ERR_CFI0_HIGH)); + REGB_WR32(VPU_HW_BTRS_LNL_IMR_ERR_CFI0_CLEAR, 0x1); + schedule_recovery = true; + } + + if (REG_TEST_FLD(VPU_HW_BTRS_LNL_INTERRUPT_STAT, IMR1_ERR, status)) { + ivpu_err(vdev, "IMR_ERR_CFI1 LOW: 0x%08x HIGH: 0x%08x", + REGB_RD32(VPU_HW_BTRS_LNL_IMR_ERR_CFI1_LOW), + REGB_RD32(VPU_HW_BTRS_LNL_IMR_ERR_CFI1_HIGH)); + REGB_WR32(VPU_HW_BTRS_LNL_IMR_ERR_CFI1_CLEAR, 0x1); + schedule_recovery = true; + } + + /* This must be done after interrupts are cleared at the source. */ + REGB_WR32(VPU_HW_BTRS_LNL_INTERRUPT_STAT, status); + + if (schedule_recovery) + ivpu_pm_trigger_recovery(vdev, "Buttress IRQ"); + + return true; +} + +int ivpu_hw_btrs_dct_get_request(struct ivpu_device *vdev, bool *enable) +{ + u32 val = REGB_RD32(VPU_HW_BTRS_LNL_PCODE_MAILBOX_SHADOW); + u32 cmd = REG_GET_FLD(VPU_HW_BTRS_LNL_PCODE_MAILBOX_SHADOW, CMD, val); + u32 param1 = REG_GET_FLD(VPU_HW_BTRS_LNL_PCODE_MAILBOX_SHADOW, PARAM1, val); + + if (cmd != DCT_REQ) { + ivpu_err_ratelimited(vdev, "Unsupported PCODE command: 0x%x\n", cmd); + return -EBADR; + } + + switch (param1) { + case DCT_ENABLE: + *enable = true; + return 0; + case DCT_DISABLE: + *enable = false; + return 0; + default: + ivpu_err_ratelimited(vdev, "Invalid PARAM1 value: %u\n", param1); + return -EINVAL; + } +} + +void ivpu_hw_btrs_dct_set_status(struct ivpu_device *vdev, bool enable, u32 active_percent) +{ + u32 val = 0; + u32 cmd = enable ? DCT_ENABLE : DCT_DISABLE; + + val = REG_SET_FLD_NUM(VPU_HW_BTRS_LNL_PCODE_MAILBOX_STATUS, CMD, DCT_REQ, val); + val = REG_SET_FLD_NUM(VPU_HW_BTRS_LNL_PCODE_MAILBOX_STATUS, PARAM1, cmd, val); + val = REG_SET_FLD_NUM(VPU_HW_BTRS_LNL_PCODE_MAILBOX_STATUS, PARAM2, active_percent, val); + + REGB_WR32(VPU_HW_BTRS_LNL_PCODE_MAILBOX_STATUS, val); +} + +static u32 pll_ratio_to_freq_mtl(u32 ratio, u32 config) +{ + u32 pll_clock = PLL_REF_CLK_FREQ * ratio; + u32 cpu_clock; + + if ((config & 0xff) == MTL_PLL_RATIO_4_3) + cpu_clock = pll_clock * 2 / 4; + else + cpu_clock = pll_clock * 2 / 5; + + return cpu_clock; +} + +u32 ivpu_hw_btrs_ratio_to_freq(struct ivpu_device *vdev, u32 ratio) +{ + struct ivpu_hw_info *hw = vdev->hw; + + if (ivpu_hw_btrs_gen(vdev) == IVPU_HW_BTRS_MTL) + return pll_ratio_to_freq_mtl(ratio, hw->config); + else + return PLL_RATIO_TO_FREQ(ratio); +} + +static u32 pll_freq_get_mtl(struct ivpu_device *vdev) +{ + u32 pll_curr_ratio; + + pll_curr_ratio = REGB_RD32(VPU_HW_BTRS_MTL_CURRENT_PLL); + pll_curr_ratio &= VPU_HW_BTRS_MTL_CURRENT_PLL_RATIO_MASK; + + if (!ivpu_is_silicon(vdev)) + return PLL_SIMULATION_FREQ; + + return pll_ratio_to_freq_mtl(pll_curr_ratio, vdev->hw->config); +} + +static u32 pll_freq_get_lnl(struct ivpu_device *vdev) +{ + u32 pll_curr_ratio; + + pll_curr_ratio = REGB_RD32(VPU_HW_BTRS_LNL_PLL_FREQ); + pll_curr_ratio &= VPU_HW_BTRS_LNL_PLL_FREQ_RATIO_MASK; + + return PLL_RATIO_TO_FREQ(pll_curr_ratio); +} + +u32 ivpu_hw_btrs_pll_freq_get(struct ivpu_device *vdev) +{ + if (ivpu_hw_btrs_gen(vdev) == IVPU_HW_BTRS_MTL) + return pll_freq_get_mtl(vdev); + else + return pll_freq_get_lnl(vdev); +} + +u32 ivpu_hw_btrs_telemetry_offset_get(struct ivpu_device *vdev) +{ + if (ivpu_hw_btrs_gen(vdev) == IVPU_HW_BTRS_MTL) + return REGB_RD32(VPU_HW_BTRS_MTL_VPU_TELEMETRY_OFFSET); + else + return REGB_RD32(VPU_HW_BTRS_LNL_VPU_TELEMETRY_OFFSET); +} + +u32 ivpu_hw_btrs_telemetry_size_get(struct ivpu_device *vdev) +{ + if (ivpu_hw_btrs_gen(vdev) == IVPU_HW_BTRS_MTL) + return REGB_RD32(VPU_HW_BTRS_MTL_VPU_TELEMETRY_SIZE); + else + return REGB_RD32(VPU_HW_BTRS_LNL_VPU_TELEMETRY_SIZE); +} + +u32 ivpu_hw_btrs_telemetry_enable_get(struct ivpu_device *vdev) +{ + if (ivpu_hw_btrs_gen(vdev) == IVPU_HW_BTRS_MTL) + return REGB_RD32(VPU_HW_BTRS_MTL_VPU_TELEMETRY_ENABLE); + else + return REGB_RD32(VPU_HW_BTRS_LNL_VPU_TELEMETRY_ENABLE); +} + +void ivpu_hw_btrs_global_int_disable(struct ivpu_device *vdev) +{ + if (ivpu_hw_btrs_gen(vdev) == IVPU_HW_BTRS_MTL) + REGB_WR32(VPU_HW_BTRS_MTL_GLOBAL_INT_MASK, 0x1); + else + REGB_WR32(VPU_HW_BTRS_LNL_GLOBAL_INT_MASK, 0x1); +} + +void ivpu_hw_btrs_global_int_enable(struct ivpu_device *vdev) +{ + if (ivpu_hw_btrs_gen(vdev) == IVPU_HW_BTRS_MTL) + REGB_WR32(VPU_HW_BTRS_MTL_GLOBAL_INT_MASK, 0x0); + else + REGB_WR32(VPU_HW_BTRS_LNL_GLOBAL_INT_MASK, 0x0); +} + +void ivpu_hw_btrs_irq_enable(struct ivpu_device *vdev) +{ + if (ivpu_hw_btrs_gen(vdev) == IVPU_HW_BTRS_MTL) { + REGB_WR32(VPU_HW_BTRS_MTL_LOCAL_INT_MASK, (u32)(~BTRS_MTL_IRQ_MASK)); + REGB_WR32(VPU_HW_BTRS_MTL_GLOBAL_INT_MASK, 0x0); + } else { + REGB_WR32(VPU_HW_BTRS_LNL_LOCAL_INT_MASK, (u32)(~BTRS_LNL_IRQ_MASK)); + REGB_WR32(VPU_HW_BTRS_LNL_GLOBAL_INT_MASK, 0x0); + } +} + +void ivpu_hw_btrs_irq_disable(struct ivpu_device *vdev) +{ + if (ivpu_hw_btrs_gen(vdev) == IVPU_HW_BTRS_MTL) { + REGB_WR32(VPU_HW_BTRS_MTL_GLOBAL_INT_MASK, 0x1); + REGB_WR32(VPU_HW_BTRS_MTL_LOCAL_INT_MASK, BTRS_IRQ_DISABLE_MASK); + } else { + REGB_WR32(VPU_HW_BTRS_LNL_GLOBAL_INT_MASK, 0x1); + REGB_WR32(VPU_HW_BTRS_LNL_LOCAL_INT_MASK, BTRS_IRQ_DISABLE_MASK); + } +} + +static void diagnose_failure_mtl(struct ivpu_device *vdev) +{ + u32 reg = REGB_RD32(VPU_HW_BTRS_MTL_INTERRUPT_STAT) & BTRS_MTL_IRQ_MASK; + + if (REG_TEST_FLD(VPU_HW_BTRS_MTL_INTERRUPT_STAT, ATS_ERR, reg)) + ivpu_err(vdev, "ATS_ERR irq 0x%016llx", REGB_RD64(VPU_HW_BTRS_MTL_ATS_ERR_LOG_0)); + + if (REG_TEST_FLD(VPU_HW_BTRS_MTL_INTERRUPT_STAT, UFI_ERR, reg)) { + u32 log = REGB_RD32(VPU_HW_BTRS_MTL_UFI_ERR_LOG); + + ivpu_err(vdev, "UFI_ERR irq (0x%08x) opcode: 0x%02lx axi_id: 0x%02lx cq_id: 0x%03lx", + log, REG_GET_FLD(VPU_HW_BTRS_MTL_UFI_ERR_LOG, OPCODE, log), + REG_GET_FLD(VPU_HW_BTRS_MTL_UFI_ERR_LOG, AXI_ID, log), + REG_GET_FLD(VPU_HW_BTRS_MTL_UFI_ERR_LOG, CQ_ID, log)); + } +} + +static void diagnose_failure_lnl(struct ivpu_device *vdev) +{ + u32 reg = REGB_RD32(VPU_HW_BTRS_MTL_INTERRUPT_STAT) & BTRS_LNL_IRQ_MASK; + + if (REG_TEST_FLD(VPU_HW_BTRS_LNL_INTERRUPT_STAT, ATS_ERR, reg)) { + ivpu_err(vdev, "ATS_ERR_LOG1 0x%08x ATS_ERR_LOG2 0x%08x\n", + REGB_RD32(VPU_HW_BTRS_LNL_ATS_ERR_LOG1), + REGB_RD32(VPU_HW_BTRS_LNL_ATS_ERR_LOG2)); + } + + if (REG_TEST_FLD(VPU_HW_BTRS_LNL_INTERRUPT_STAT, CFI0_ERR, reg)) + ivpu_err(vdev, "CFI0_ERR_LOG 0x%08x\n", REGB_RD32(VPU_HW_BTRS_LNL_CFI0_ERR_LOG)); + + if (REG_TEST_FLD(VPU_HW_BTRS_LNL_INTERRUPT_STAT, CFI1_ERR, reg)) + ivpu_err(vdev, "CFI1_ERR_LOG 0x%08x\n", REGB_RD32(VPU_HW_BTRS_LNL_CFI1_ERR_LOG)); + + if (REG_TEST_FLD(VPU_HW_BTRS_LNL_INTERRUPT_STAT, IMR0_ERR, reg)) + ivpu_err(vdev, "IMR_ERR_CFI0 LOW: 0x%08x HIGH: 0x%08x\n", + REGB_RD32(VPU_HW_BTRS_LNL_IMR_ERR_CFI0_LOW), + REGB_RD32(VPU_HW_BTRS_LNL_IMR_ERR_CFI0_HIGH)); + + if (REG_TEST_FLD(VPU_HW_BTRS_LNL_INTERRUPT_STAT, IMR1_ERR, reg)) + ivpu_err(vdev, "IMR_ERR_CFI1 LOW: 0x%08x HIGH: 0x%08x\n", + REGB_RD32(VPU_HW_BTRS_LNL_IMR_ERR_CFI1_LOW), + REGB_RD32(VPU_HW_BTRS_LNL_IMR_ERR_CFI1_HIGH)); + + if (REG_TEST_FLD(VPU_HW_BTRS_LNL_INTERRUPT_STAT, SURV_ERR, reg)) + ivpu_err(vdev, "Survivability IRQ\n"); +} + +void ivpu_hw_btrs_diagnose_failure(struct ivpu_device *vdev) +{ + if (ivpu_hw_btrs_gen(vdev) == IVPU_HW_BTRS_MTL) + return diagnose_failure_mtl(vdev); + else + return diagnose_failure_lnl(vdev); +} |