1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (C) 2018 Intel Corporation
3
4 #include <linux/device.h>
5 #include <linux/firmware.h>
6 #include <linux/mm.h>
7 #include <linux/slab.h>
8
9 #include "ipu3-css.h"
10 #include "ipu3-css-fw.h"
11 #include "ipu3-dmamap.h"
12
imgu_css_fw_show_binary(struct device * dev,struct imgu_fw_info * bi,const char * name)13 static void imgu_css_fw_show_binary(struct device *dev, struct imgu_fw_info *bi,
14 const char *name)
15 {
16 unsigned int i;
17
18 dev_dbg(dev, "found firmware binary type %i size %i name %s\n",
19 bi->type, bi->blob.size, name);
20 if (bi->type != IMGU_FW_ISP_FIRMWARE)
21 return;
22
23 dev_dbg(dev, " id %i mode %i bds 0x%x veceven %i/%i out_pins %i\n",
24 bi->info.isp.sp.id, bi->info.isp.sp.pipeline.mode,
25 bi->info.isp.sp.bds.supported_bds_factors,
26 bi->info.isp.sp.enable.vf_veceven,
27 bi->info.isp.sp.vf_dec.is_variable,
28 bi->info.isp.num_output_pins);
29
30 dev_dbg(dev, " input (%i,%i)-(%i,%i) formats %s%s%s\n",
31 bi->info.isp.sp.input.min_width,
32 bi->info.isp.sp.input.min_height,
33 bi->info.isp.sp.input.max_width,
34 bi->info.isp.sp.input.max_height,
35 bi->info.isp.sp.enable.input_yuv ? "yuv420 " : "",
36 bi->info.isp.sp.enable.input_feeder ||
37 bi->info.isp.sp.enable.input_raw ? "raw8 raw10 " : "",
38 bi->info.isp.sp.enable.input_raw ? "raw12" : "");
39
40 dev_dbg(dev, " internal (%i,%i)\n",
41 bi->info.isp.sp.internal.max_width,
42 bi->info.isp.sp.internal.max_height);
43
44 dev_dbg(dev, " output (%i,%i)-(%i,%i) formats",
45 bi->info.isp.sp.output.min_width,
46 bi->info.isp.sp.output.min_height,
47 bi->info.isp.sp.output.max_width,
48 bi->info.isp.sp.output.max_height);
49 for (i = 0; i < bi->info.isp.num_output_formats; i++)
50 dev_dbg(dev, " %i", bi->info.isp.output_formats[i]);
51 dev_dbg(dev, " vf");
52 for (i = 0; i < bi->info.isp.num_vf_formats; i++)
53 dev_dbg(dev, " %i", bi->info.isp.vf_formats[i]);
54 dev_dbg(dev, "\n");
55 }
56
imgu_css_fw_obgrid_size(const struct imgu_fw_info * bi)57 unsigned int imgu_css_fw_obgrid_size(const struct imgu_fw_info *bi)
58 {
59 unsigned int width = DIV_ROUND_UP(bi->info.isp.sp.internal.max_width,
60 IMGU_OBGRID_TILE_SIZE * 2) + 1;
61 unsigned int height = DIV_ROUND_UP(bi->info.isp.sp.internal.max_height,
62 IMGU_OBGRID_TILE_SIZE * 2) + 1;
63 unsigned int obgrid_size;
64
65 width = ALIGN(width, IPU3_UAPI_ISP_VEC_ELEMS / 4);
66 obgrid_size = PAGE_ALIGN(width * height *
67 sizeof(struct ipu3_uapi_obgrid_param)) *
68 bi->info.isp.sp.iterator.num_stripes;
69 return obgrid_size;
70 }
71
imgu_css_fw_pipeline_params(struct imgu_css * css,unsigned int pipe,enum imgu_abi_param_class cls,enum imgu_abi_memories mem,struct imgu_fw_isp_parameter * par,size_t par_size,void * binary_params)72 void *imgu_css_fw_pipeline_params(struct imgu_css *css, unsigned int pipe,
73 enum imgu_abi_param_class cls,
74 enum imgu_abi_memories mem,
75 struct imgu_fw_isp_parameter *par,
76 size_t par_size, void *binary_params)
77 {
78 struct imgu_fw_info *bi =
79 &css->fwp->binary_header[css->pipes[pipe].bindex];
80
81 if (par->offset + par->size >
82 bi->info.isp.sp.mem_initializers.params[cls][mem].size)
83 return NULL;
84
85 if (par->size != par_size)
86 pr_warn("parameter size doesn't match defined size\n");
87
88 if (par->size < par_size)
89 return NULL;
90
91 return binary_params + par->offset;
92 }
93
imgu_css_fw_cleanup(struct imgu_css * css)94 void imgu_css_fw_cleanup(struct imgu_css *css)
95 {
96 struct imgu_device *imgu = dev_get_drvdata(css->dev);
97
98 if (css->binary) {
99 unsigned int i;
100
101 for (i = 0; i < css->fwp->file_header.binary_nr; i++)
102 imgu_dmamap_free(imgu, &css->binary[i]);
103 kfree(css->binary);
104 }
105 if (css->fw)
106 release_firmware(css->fw);
107
108 css->binary = NULL;
109 css->fw = NULL;
110 }
111
imgu_css_fw_init(struct imgu_css * css)112 int imgu_css_fw_init(struct imgu_css *css)
113 {
114 static const u32 BLOCK_MAX = 65536;
115 struct imgu_device *imgu = dev_get_drvdata(css->dev);
116 struct device *dev = css->dev;
117 unsigned int i, j, binary_nr;
118 int r;
119
120 r = request_firmware(&css->fw, IMGU_FW_NAME_20161208, css->dev);
121 if (r == -ENOENT)
122 r = request_firmware(&css->fw, IMGU_FW_NAME, css->dev);
123 if (r)
124 return r;
125
126 /* Check and display fw header info */
127
128 css->fwp = (struct imgu_fw_header *)css->fw->data;
129 if (css->fw->size < struct_size(css->fwp, binary_header, 1) ||
130 css->fwp->file_header.h_size != sizeof(struct imgu_fw_bi_file_h))
131 goto bad_fw;
132 if (struct_size(css->fwp, binary_header,
133 css->fwp->file_header.binary_nr) > css->fw->size)
134 goto bad_fw;
135
136 dev_info(dev, "loaded firmware version %.64s, %u binaries, %zu bytes\n",
137 css->fwp->file_header.version, css->fwp->file_header.binary_nr,
138 css->fw->size);
139
140 /* Validate and display info on fw binaries */
141
142 binary_nr = css->fwp->file_header.binary_nr;
143
144 css->fw_bl = -1;
145 css->fw_sp[0] = -1;
146 css->fw_sp[1] = -1;
147
148 for (i = 0; i < binary_nr; i++) {
149 struct imgu_fw_info *bi = &css->fwp->binary_header[i];
150 const char *name = (void *)css->fwp + bi->blob.prog_name_offset;
151 size_t len;
152
153 if (bi->blob.prog_name_offset >= css->fw->size)
154 goto bad_fw;
155 len = strnlen(name, css->fw->size - bi->blob.prog_name_offset);
156 if (len + 1 > css->fw->size - bi->blob.prog_name_offset ||
157 len + 1 >= IMGU_ABI_MAX_BINARY_NAME)
158 goto bad_fw;
159
160 if (bi->blob.size != bi->blob.text_size + bi->blob.icache_size
161 + bi->blob.data_size + bi->blob.padding_size)
162 goto bad_fw;
163 if (bi->blob.offset + bi->blob.size > css->fw->size)
164 goto bad_fw;
165
166 if (bi->type == IMGU_FW_BOOTLOADER_FIRMWARE) {
167 css->fw_bl = i;
168 if (bi->info.bl.sw_state >= css->iomem_length ||
169 bi->info.bl.num_dma_cmds >= css->iomem_length ||
170 bi->info.bl.dma_cmd_list >= css->iomem_length)
171 goto bad_fw;
172 }
173 if (bi->type == IMGU_FW_SP_FIRMWARE ||
174 bi->type == IMGU_FW_SP1_FIRMWARE) {
175 css->fw_sp[bi->type == IMGU_FW_SP_FIRMWARE ? 0 : 1] = i;
176 if (bi->info.sp.per_frame_data >= css->iomem_length ||
177 bi->info.sp.init_dmem_data >= css->iomem_length ||
178 bi->info.sp.host_sp_queue >= css->iomem_length ||
179 bi->info.sp.isp_started >= css->iomem_length ||
180 bi->info.sp.sw_state >= css->iomem_length ||
181 bi->info.sp.sleep_mode >= css->iomem_length ||
182 bi->info.sp.invalidate_tlb >= css->iomem_length ||
183 bi->info.sp.host_sp_com >= css->iomem_length ||
184 bi->info.sp.output + 12 >= css->iomem_length ||
185 bi->info.sp.host_sp_queues_initialized >=
186 css->iomem_length)
187 goto bad_fw;
188 }
189 if (bi->type != IMGU_FW_ISP_FIRMWARE)
190 continue;
191
192 if (bi->info.isp.sp.pipeline.mode >= IPU3_CSS_PIPE_ID_NUM)
193 goto bad_fw;
194
195 if (bi->info.isp.sp.iterator.num_stripes >
196 IPU3_UAPI_MAX_STRIPES)
197 goto bad_fw;
198
199 if (bi->info.isp.num_vf_formats > IMGU_ABI_FRAME_FORMAT_NUM ||
200 bi->info.isp.num_output_formats > IMGU_ABI_FRAME_FORMAT_NUM)
201 goto bad_fw;
202
203 for (j = 0; j < bi->info.isp.num_output_formats; j++)
204 if (bi->info.isp.output_formats[j] >=
205 IMGU_ABI_FRAME_FORMAT_NUM)
206 goto bad_fw;
207 for (j = 0; j < bi->info.isp.num_vf_formats; j++)
208 if (bi->info.isp.vf_formats[j] >=
209 IMGU_ABI_FRAME_FORMAT_NUM)
210 goto bad_fw;
211
212 if (bi->info.isp.sp.block.block_width <= 0 ||
213 bi->info.isp.sp.block.block_width > BLOCK_MAX ||
214 bi->info.isp.sp.block.output_block_height <= 0 ||
215 bi->info.isp.sp.block.output_block_height > BLOCK_MAX)
216 goto bad_fw;
217
218 if (bi->blob.memory_offsets.offsets[IMGU_ABI_PARAM_CLASS_PARAM]
219 + sizeof(struct imgu_fw_param_memory_offsets) >
220 css->fw->size ||
221 bi->blob.memory_offsets.offsets[IMGU_ABI_PARAM_CLASS_CONFIG]
222 + sizeof(struct imgu_fw_config_memory_offsets) >
223 css->fw->size ||
224 bi->blob.memory_offsets.offsets[IMGU_ABI_PARAM_CLASS_STATE]
225 + sizeof(struct imgu_fw_state_memory_offsets) >
226 css->fw->size)
227 goto bad_fw;
228
229 imgu_css_fw_show_binary(dev, bi, name);
230 }
231
232 if (css->fw_bl == -1 || css->fw_sp[0] == -1 || css->fw_sp[1] == -1)
233 goto bad_fw;
234
235 /* Allocate and map fw binaries into IMGU */
236
237 css->binary = kcalloc(binary_nr, sizeof(*css->binary), GFP_KERNEL);
238 if (!css->binary) {
239 r = -ENOMEM;
240 goto error_out;
241 }
242
243 for (i = 0; i < css->fwp->file_header.binary_nr; i++) {
244 struct imgu_fw_info *bi = &css->fwp->binary_header[i];
245 void *blob = (void *)css->fwp + bi->blob.offset;
246 size_t size = bi->blob.size;
247
248 if (!imgu_dmamap_alloc(imgu, &css->binary[i], size)) {
249 r = -ENOMEM;
250 goto error_out;
251 }
252 memcpy(css->binary[i].vaddr, blob, size);
253 }
254
255 return 0;
256
257 bad_fw:
258 dev_err(dev, "invalid firmware binary, size %u\n", (int)css->fw->size);
259 r = -ENODEV;
260
261 error_out:
262 imgu_css_fw_cleanup(css);
263 return r;
264 }
265