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caff4cae IM |
1 | /* arch/arm/mach-msm/qdsp5/adsp_video_verify_cmd.c |
2 | * | |
3 | * Verificion code for aDSP VENC packets from userspace. | |
4 | * | |
5 | * Copyright (c) 2008 QUALCOMM Incorporated | |
6 | * Copyright (C) 2008 Google, Inc. | |
7 | * | |
8 | * This software is licensed under the terms of the GNU General Public | |
9 | * License version 2, as published by the Free Software Foundation, and | |
10 | * may be copied, distributed, and modified under those terms. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | */ | |
18 | #include <linux/io.h> | |
19 | ||
20 | #define ADSP_DEBUG_MSGS 0 | |
21 | #if ADSP_DEBUG_MSGS | |
22 | #define DLOG(fmt,args...) \ | |
23 | do { printk(KERN_INFO "[%s:%s:%d] "fmt, __FILE__, __func__, __LINE__, \ | |
24 | ##args); } \ | |
25 | while (0) | |
26 | #else | |
27 | #define DLOG(x...) do {} while (0) | |
28 | #endif | |
29 | ||
30 | #include <mach/qdsp5/qdsp5venccmdi.h> | |
31 | #include "adsp.h" | |
32 | ||
33 | ||
34 | static unsigned short x_dimension, y_dimension; | |
35 | ||
36 | static inline void *high_low_short_to_ptr(unsigned short high, | |
37 | unsigned short low) | |
38 | { | |
39 | return (void *)((((unsigned long)high) << 16) | ((unsigned long)low)); | |
40 | } | |
41 | ||
42 | static inline void ptr_to_high_low_short(void *ptr, unsigned short *high, | |
43 | unsigned short *low) | |
44 | { | |
45 | *high = (unsigned short)((((unsigned long)ptr) >> 16) & 0xffff); | |
46 | *low = (unsigned short)((unsigned long)ptr & 0xffff); | |
47 | } | |
48 | ||
49 | static int pmem_fixup_high_low(unsigned short *high, | |
50 | unsigned short *low, | |
51 | unsigned short size_high, | |
52 | unsigned short size_low, | |
53 | struct msm_adsp_module *module, | |
54 | unsigned long *addr, unsigned long *size) | |
55 | { | |
56 | void *phys_addr; | |
57 | unsigned long phys_size; | |
58 | unsigned long kvaddr; | |
59 | ||
60 | phys_addr = high_low_short_to_ptr(*high, *low); | |
61 | phys_size = (unsigned long)high_low_short_to_ptr(size_high, size_low); | |
62 | DLOG("virt %x %x\n", phys_addr, phys_size); | |
63 | if (adsp_pmem_fixup_kvaddr(module, &phys_addr, &kvaddr, phys_size)) { | |
64 | DLOG("ah%x al%x sh%x sl%x addr %x size %x\n", | |
65 | *high, *low, size_high, size_low, phys_addr, phys_size); | |
66 | return -1; | |
67 | } | |
68 | ptr_to_high_low_short(phys_addr, high, low); | |
69 | DLOG("phys %x %x\n", phys_addr, phys_size); | |
70 | if (addr) | |
71 | *addr = kvaddr; | |
72 | if (size) | |
73 | *size = phys_size; | |
74 | return 0; | |
75 | } | |
76 | ||
77 | static int verify_venc_cmd(struct msm_adsp_module *module, | |
78 | void *cmd_data, size_t cmd_size) | |
79 | { | |
80 | unsigned short cmd_id = ((unsigned short *)cmd_data)[0]; | |
81 | unsigned long frame_buf_size, luma_buf_size, chroma_buf_size; | |
82 | unsigned short frame_buf_size_high, frame_buf_size_low; | |
83 | unsigned short luma_buf_size_high, luma_buf_size_low; | |
84 | unsigned short chroma_buf_size_high, chroma_buf_size_low; | |
85 | videnc_cmd_cfg *config_cmd; | |
86 | videnc_cmd_frame_start *frame_cmd; | |
87 | videnc_cmd_dis *dis_cmd; | |
88 | ||
89 | DLOG("cmd_size %d cmd_id %d cmd_data %x\n", cmd_size, cmd_id, cmd_data); | |
90 | switch (cmd_id) { | |
91 | case VIDENC_CMD_ACTIVE: | |
92 | if (cmd_size < sizeof(videnc_cmd_active)) | |
93 | return -1; | |
94 | break; | |
95 | case VIDENC_CMD_IDLE: | |
96 | if (cmd_size < sizeof(videnc_cmd_idle)) | |
97 | return -1; | |
98 | x_dimension = y_dimension = 0; | |
99 | break; | |
100 | case VIDENC_CMD_STATUS_QUERY: | |
101 | if (cmd_size < sizeof(videnc_cmd_status_query)) | |
102 | return -1; | |
103 | break; | |
104 | case VIDENC_CMD_RC_CFG: | |
105 | if (cmd_size < sizeof(videnc_cmd_rc_cfg)) | |
106 | return -1; | |
107 | break; | |
108 | case VIDENC_CMD_INTRA_REFRESH: | |
109 | if (cmd_size < sizeof(videnc_cmd_intra_refresh)) | |
110 | return -1; | |
111 | break; | |
112 | case VIDENC_CMD_DIGITAL_ZOOM: | |
113 | if (cmd_size < sizeof(videnc_cmd_digital_zoom)) | |
114 | return -1; | |
115 | break; | |
116 | case VIDENC_CMD_DIS_CFG: | |
117 | if (cmd_size < sizeof(videnc_cmd_dis_cfg)) | |
118 | return -1; | |
119 | break; | |
120 | case VIDENC_CMD_CFG: | |
121 | if (cmd_size < sizeof(videnc_cmd_cfg)) | |
122 | return -1; | |
123 | config_cmd = (videnc_cmd_cfg *)cmd_data; | |
124 | x_dimension = ((config_cmd->venc_frame_dim) & 0xFF00)>>8; | |
125 | x_dimension = x_dimension*16; | |
126 | y_dimension = (config_cmd->venc_frame_dim) & 0xFF; | |
127 | y_dimension = y_dimension * 16; | |
128 | break; | |
129 | case VIDENC_CMD_FRAME_START: | |
130 | if (cmd_size < sizeof(videnc_cmd_frame_start)) | |
131 | return -1; | |
132 | frame_cmd = (videnc_cmd_frame_start *)cmd_data; | |
133 | luma_buf_size = x_dimension * y_dimension; | |
134 | chroma_buf_size = luma_buf_size>>1; | |
135 | frame_buf_size = luma_buf_size + chroma_buf_size; | |
136 | ptr_to_high_low_short((void *)luma_buf_size, | |
137 | &luma_buf_size_high, | |
138 | &luma_buf_size_low); | |
139 | ptr_to_high_low_short((void *)chroma_buf_size, | |
140 | &chroma_buf_size_high, | |
141 | &chroma_buf_size_low); | |
142 | ptr_to_high_low_short((void *)frame_buf_size, | |
143 | &frame_buf_size_high, | |
144 | &frame_buf_size_low); | |
145 | /* Address of raw Y data. */ | |
146 | if (pmem_fixup_high_low(&frame_cmd->input_luma_addr_high, | |
147 | &frame_cmd->input_luma_addr_low, | |
148 | luma_buf_size_high, | |
149 | luma_buf_size_low, | |
150 | module, | |
151 | NULL, NULL)) | |
152 | return -1; | |
153 | /* Address of raw CbCr data */ | |
154 | if (pmem_fixup_high_low(&frame_cmd->input_chroma_addr_high, | |
155 | &frame_cmd->input_chroma_addr_low, | |
156 | chroma_buf_size_high, | |
157 | chroma_buf_size_low, | |
158 | module, | |
159 | NULL, NULL)) | |
160 | return -1; | |
161 | /* Reference VOP */ | |
162 | if (pmem_fixup_high_low(&frame_cmd->ref_vop_buf_ptr_high, | |
163 | &frame_cmd->ref_vop_buf_ptr_low, | |
164 | frame_buf_size_high, | |
165 | frame_buf_size_low, | |
166 | module, | |
167 | NULL, NULL)) | |
168 | return -1; | |
169 | /* Encoded Packet Address */ | |
170 | if (pmem_fixup_high_low(&frame_cmd->enc_pkt_buf_ptr_high, | |
171 | &frame_cmd->enc_pkt_buf_ptr_low, | |
172 | frame_cmd->enc_pkt_buf_size_high, | |
173 | frame_cmd->enc_pkt_buf_size_low, | |
174 | module, | |
175 | NULL, NULL)) | |
176 | return -1; | |
177 | /* Unfiltered VOP Buffer Address */ | |
178 | if (pmem_fixup_high_low( | |
179 | &frame_cmd->unfilt_recon_vop_buf_ptr_high, | |
180 | &frame_cmd->unfilt_recon_vop_buf_ptr_low, | |
181 | frame_buf_size_high, | |
182 | frame_buf_size_low, | |
183 | module, | |
184 | NULL, NULL)) | |
185 | return -1; | |
186 | /* Filtered VOP Buffer Address */ | |
187 | if (pmem_fixup_high_low(&frame_cmd->filt_recon_vop_buf_ptr_high, | |
188 | &frame_cmd->filt_recon_vop_buf_ptr_low, | |
189 | frame_buf_size_high, | |
190 | frame_buf_size_low, | |
191 | module, | |
192 | NULL, NULL)) | |
193 | return -1; | |
194 | break; | |
195 | case VIDENC_CMD_DIS: | |
196 | if (cmd_size < sizeof(videnc_cmd_dis)) | |
197 | return -1; | |
198 | dis_cmd = (videnc_cmd_dis *)cmd_data; | |
199 | luma_buf_size = x_dimension * y_dimension; | |
200 | ptr_to_high_low_short((void *)luma_buf_size, | |
201 | &luma_buf_size_high, | |
202 | &luma_buf_size_low); | |
203 | /* Prev VFE Luma Output Address */ | |
204 | if (pmem_fixup_high_low(&dis_cmd->vfe_out_prev_luma_addr_high, | |
205 | &dis_cmd->vfe_out_prev_luma_addr_low, | |
206 | luma_buf_size_high, | |
207 | luma_buf_size_low, | |
208 | module, | |
209 | NULL, NULL)) | |
210 | return -1; | |
211 | break; | |
212 | default: | |
213 | printk(KERN_INFO "adsp_video:unknown encoder video command %u\n", | |
214 | cmd_id); | |
215 | return 0; | |
216 | } | |
217 | ||
218 | return 0; | |
219 | } | |
220 | ||
221 | ||
222 | int adsp_videoenc_verify_cmd(struct msm_adsp_module *module, | |
223 | unsigned int queue_id, void *cmd_data, | |
224 | size_t cmd_size) | |
225 | { | |
226 | switch (queue_id) { | |
227 | case QDSP_mpuVEncCmdQueue: | |
228 | DLOG("\n"); | |
229 | return verify_venc_cmd(module, cmd_data, cmd_size); | |
230 | default: | |
231 | printk(KERN_INFO "unknown video queue %u\n", queue_id); | |
232 | return 0; | |
233 | } | |
234 | } | |
235 |