1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright 2020-2021 NXP
6 #include <linux/init.h>
7 #include <linux/device.h>
8 #include <linux/ioctl.h>
9 #include <linux/list.h>
10 #include <linux/module.h>
11 #include <linux/kernel.h>
12 #include <linux/slab.h>
13 #include <linux/delay.h>
14 #include <linux/types.h>
17 #include "vpu_imx8q.h"
20 #define IMX8Q_CSR_CM0Px_ADDR_OFFSET 0x00000000
21 #define IMX8Q_CSR_CM0Px_CPUWAIT 0x00000004
24 #include <linux/firmware/imx/ipc.h>
25 #include <linux/firmware/imx/svc/misc.h>
27 #define VPU_DISABLE_BITS 0x7
28 #define VPU_IMX_DECODER_FUSE_OFFSET 14
29 #define VPU_ENCODER_MASK 0x1
30 #define VPU_DECODER_MASK 0x3UL
31 #define VPU_DECODER_H264_MASK 0x2UL
32 #define VPU_DECODER_HEVC_MASK 0x1UL
34 static u32 imx8q_fuse;
36 struct vpu_sc_msg_misc {
37 struct imx_sc_rpc_msg hdr;
42 int vpu_imx8q_setup_dec(struct vpu_dev *vpu)
44 const off_t offset = DEC_MFD_XREG_SLV_BASE + MFD_BLK_CTRL;
46 vpu_writel(vpu, offset + MFD_BLK_CTRL_MFD_SYS_CLOCK_ENABLE_SET, 0x1f);
47 vpu_writel(vpu, offset + MFD_BLK_CTRL_MFD_SYS_RESET_SET, 0xffffffff);
52 int vpu_imx8q_setup_enc(struct vpu_dev *vpu)
57 int vpu_imx8q_setup(struct vpu_dev *vpu)
59 const off_t offset = SCB_XREG_SLV_BASE + SCB_SCB_BLK_CTRL;
61 vpu_readl(vpu, offset + 0x108);
63 vpu_writel(vpu, offset + SCB_BLK_CTRL_SCB_CLK_ENABLE_SET, 0x1);
64 vpu_writel(vpu, offset + 0x190, 0xffffffff);
65 vpu_writel(vpu, offset + SCB_BLK_CTRL_XMEM_RESET_SET, 0xffffffff);
66 vpu_writel(vpu, offset + SCB_BLK_CTRL_SCB_CLK_ENABLE_SET, 0xE);
67 vpu_writel(vpu, offset + SCB_BLK_CTRL_CACHE_RESET_SET, 0x7);
68 vpu_writel(vpu, XMEM_CONTROL, 0x102);
70 vpu_readl(vpu, offset + 0x108);
75 static int vpu_imx8q_reset_enc(struct vpu_dev *vpu)
80 static int vpu_imx8q_reset_dec(struct vpu_dev *vpu)
82 const off_t offset = DEC_MFD_XREG_SLV_BASE + MFD_BLK_CTRL;
84 vpu_writel(vpu, offset + MFD_BLK_CTRL_MFD_SYS_RESET_CLR, 0xffffffff);
89 int vpu_imx8q_reset(struct vpu_dev *vpu)
91 const off_t offset = SCB_XREG_SLV_BASE + SCB_SCB_BLK_CTRL;
93 vpu_writel(vpu, offset + SCB_BLK_CTRL_CACHE_RESET_CLR, 0x7);
94 vpu_imx8q_reset_enc(vpu);
95 vpu_imx8q_reset_dec(vpu);
100 int vpu_imx8q_set_system_cfg_common(struct vpu_rpc_system_config *config, u32 regs, u32 core_id)
107 config->malone_base_addr[0] = regs + DEC_MFD_XREG_SLV_BASE;
108 config->num_malones = 1;
109 config->num_windsors = 0;
112 config->windsor_base_addr[0] = regs + ENC_MFD_XREG_SLV_0_BASE;
113 config->num_windsors = 1;
114 config->num_malones = 0;
117 config->windsor_base_addr[0] = regs + ENC_MFD_XREG_SLV_1_BASE;
118 config->num_windsors = 1;
119 config->num_malones = 0;
124 if (config->num_windsors) {
125 config->windsor_irq_pin[0x0][0x0] = WINDSOR_PAL_IRQ_PIN_L;
126 config->windsor_irq_pin[0x0][0x1] = WINDSOR_PAL_IRQ_PIN_H;
129 config->malone_base_addr[0x1] = 0x0;
130 config->hif_offset[0x0] = MFD_HIF;
131 config->hif_offset[0x1] = 0x0;
133 config->dpv_base_addr = 0x0;
134 config->dpv_irq_pin = 0x0;
135 config->pixif_base_addr = regs + DEC_MFD_XREG_SLV_BASE + MFD_PIX_IF;
136 config->cache_base_addr[0] = regs + MC_CACHE_0_BASE;
137 config->cache_base_addr[1] = regs + MC_CACHE_1_BASE;
142 int vpu_imx8q_boot_core(struct vpu_core *core)
144 csr_writel(core, IMX8Q_CSR_CM0Px_ADDR_OFFSET, core->fw.phys);
145 csr_writel(core, IMX8Q_CSR_CM0Px_CPUWAIT, 0);
149 int vpu_imx8q_get_power_state(struct vpu_core *core)
151 if (csr_readl(core, IMX8Q_CSR_CM0Px_CPUWAIT) == 1)
156 int vpu_imx8q_on_firmware_loaded(struct vpu_core *core)
161 p[16] = core->vpu->res->plat_type;
168 int vpu_imx8q_check_memory_region(dma_addr_t base, dma_addr_t addr, u32 size)
170 const struct vpu_rpc_region_t imx8q_regions[] = {
171 {0x00000000, 0x08000000, VPU_CORE_MEMORY_CACHED},
172 {0x08000000, 0x10000000, VPU_CORE_MEMORY_UNCACHED},
173 {0x10000000, 0x20000000, VPU_CORE_MEMORY_CACHED},
174 {0x20000000, 0x40000000, VPU_CORE_MEMORY_UNCACHED}
179 return VPU_CORE_MEMORY_INVALID;
182 for (i = 0; i < ARRAY_SIZE(imx8q_regions); i++) {
183 const struct vpu_rpc_region_t *region = &imx8q_regions[i];
185 if (addr >= region->start && addr + size < region->end)
189 return VPU_CORE_MEMORY_INVALID;
192 #ifdef CONFIG_IMX_SCU
193 static u32 vpu_imx8q_get_fuse(void)
196 struct imx_sc_ipc *ipc;
197 struct vpu_sc_msg_misc msg;
198 struct imx_sc_rpc_msg *hdr = &msg.hdr;
204 ret = imx_scu_get_handle(&ipc);
206 pr_err("error: get sct handle fail: %d\n", ret);
210 hdr->ver = IMX_SC_RPC_VERSION;
211 hdr->svc = IMX_SC_RPC_SVC_MISC;
212 hdr->func = IMX_SC_MISC_FUNC_OTP_FUSE_READ;
215 msg.word = VPU_DISABLE_BITS;
217 ret = imx_scu_call_rpc(ipc, &msg, true);
221 imx8q_fuse = msg.word;
226 bool vpu_imx8q_check_codec(enum vpu_core_type type)
228 u32 fuse = vpu_imx8q_get_fuse();
230 if (type == VPU_CORE_TYPE_ENC) {
231 if (fuse & VPU_ENCODER_MASK)
233 } else if (type == VPU_CORE_TYPE_DEC) {
234 fuse >>= VPU_IMX_DECODER_FUSE_OFFSET;
235 fuse &= VPU_DECODER_MASK;
237 if (fuse == VPU_DECODER_MASK)
243 bool vpu_imx8q_check_fmt(enum vpu_core_type type, u32 pixelfmt)
245 u32 fuse = vpu_imx8q_get_fuse();
247 if (type == VPU_CORE_TYPE_DEC) {
248 fuse >>= VPU_IMX_DECODER_FUSE_OFFSET;
249 fuse &= VPU_DECODER_MASK;
251 if (fuse == VPU_DECODER_HEVC_MASK && pixelfmt == V4L2_PIX_FMT_HEVC)
253 if (fuse == VPU_DECODER_H264_MASK && pixelfmt == V4L2_PIX_FMT_H264)
255 if (fuse == VPU_DECODER_MASK)
262 bool vpu_imx8q_check_codec(enum vpu_core_type type)
267 bool vpu_imx8q_check_fmt(enum vpu_core_type type, u32 pixelfmt)