1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (C) 2017 Intel Corporation */
7 #define CIO2_NAME "ipu3-cio2"
8 #define CIO2_DEVICE_NAME "Intel IPU3 CIO2"
9 #define CIO2_ENTITY_NAME "ipu3-csi2"
10 #define CIO2_PCI_ID 0x9d32
11 #define CIO2_PCI_BAR 0
12 #define CIO2_DMA_MASK DMA_BIT_MASK(39)
13 #define CIO2_IMAGE_MAX_WIDTH 4224
14 #define CIO2_IMAGE_MAX_LENGTH 3136
16 #define CIO2_IMAGE_MAX_WIDTH 4224
17 #define CIO2_IMAGE_MAX_LENGTH 3136
19 /* 32MB = 8xFBPT_entry */
20 #define CIO2_MAX_LOPS 8
21 #define CIO2_MAX_BUFFERS (PAGE_SIZE / 16 / CIO2_MAX_LOPS)
23 #define CIO2_PAD_SINK 0
24 #define CIO2_PAD_SOURCE 1
27 #define CIO2_NUM_DMA_CHAN 20
28 #define CIO2_NUM_PORTS 4 /* DPHYs */
30 /* 1 for each sensor */
31 #define CIO2_QUEUES CIO2_NUM_PORTS
33 /* Register and bit field definitions */
34 #define CIO2_REG_PIPE_BASE(n) ((n) * 0x0400) /* n = 0..3 */
35 #define CIO2_REG_CSIRX_BASE 0x000
36 #define CIO2_REG_MIPIBE_BASE 0x100
37 #define CIO2_REG_PIXELGEN_BAS 0x200
38 #define CIO2_REG_IRQCTRL_BASE 0x300
39 #define CIO2_REG_GPREG_BASE 0x1000
41 /* base register: CIO2_REG_PIPE_BASE(pipe) * CIO2_REG_CSIRX_BASE */
42 #define CIO2_REG_CSIRX_ENABLE (CIO2_REG_CSIRX_BASE + 0x0)
43 #define CIO2_REG_CSIRX_NOF_ENABLED_LANES (CIO2_REG_CSIRX_BASE + 0x4)
44 #define CIO2_REG_CSIRX_SP_IF_CONFIG (CIO2_REG_CSIRX_BASE + 0x10)
45 #define CIO2_REG_CSIRX_LP_IF_CONFIG (CIO2_REG_CSIRX_BASE + 0x14)
46 #define CIO2_CSIRX_IF_CONFIG_FILTEROUT 0x00
47 #define CIO2_CSIRX_IF_CONFIG_FILTEROUT_VC_INACTIVE 0x01
48 #define CIO2_CSIRX_IF_CONFIG_PASS 0x02
49 #define CIO2_CSIRX_IF_CONFIG_FLAG_ERROR BIT(2)
50 #define CIO2_REG_CSIRX_STATUS (CIO2_REG_CSIRX_BASE + 0x18)
51 #define CIO2_REG_CSIRX_STATUS_DLANE_HS (CIO2_REG_CSIRX_BASE + 0x1c)
52 #define CIO2_CSIRX_STATUS_DLANE_HS_MASK 0xff
53 #define CIO2_REG_CSIRX_STATUS_DLANE_LP (CIO2_REG_CSIRX_BASE + 0x20)
54 #define CIO2_CSIRX_STATUS_DLANE_LP_MASK 0xffffff
55 /* Termination enable and settle in 0.0625ns units, lane=0..3 or -1 for clock */
56 #define CIO2_REG_CSIRX_DLY_CNT_TERMEN(lane) \
57 (CIO2_REG_CSIRX_BASE + 0x2c + 8 * (lane))
58 #define CIO2_REG_CSIRX_DLY_CNT_SETTLE(lane) \
59 (CIO2_REG_CSIRX_BASE + 0x30 + 8 * (lane))
60 /* base register: CIO2_REG_PIPE_BASE(pipe) * CIO2_REG_MIPIBE_BASE */
61 #define CIO2_REG_MIPIBE_ENABLE (CIO2_REG_MIPIBE_BASE + 0x0)
62 #define CIO2_REG_MIPIBE_STATUS (CIO2_REG_MIPIBE_BASE + 0x4)
63 #define CIO2_REG_MIPIBE_COMP_FORMAT(vc) \
64 (CIO2_REG_MIPIBE_BASE + 0x8 + 0x4 * (vc))
65 #define CIO2_REG_MIPIBE_FORCE_RAW8 (CIO2_REG_MIPIBE_BASE + 0x20)
66 #define CIO2_REG_MIPIBE_FORCE_RAW8_ENABLE BIT(0)
67 #define CIO2_REG_MIPIBE_FORCE_RAW8_USE_TYPEID BIT(1)
68 #define CIO2_REG_MIPIBE_FORCE_RAW8_TYPEID_SHIFT 2
70 #define CIO2_REG_MIPIBE_IRQ_STATUS (CIO2_REG_MIPIBE_BASE + 0x24)
71 #define CIO2_REG_MIPIBE_IRQ_CLEAR (CIO2_REG_MIPIBE_BASE + 0x28)
72 #define CIO2_REG_MIPIBE_GLOBAL_LUT_DISREGARD (CIO2_REG_MIPIBE_BASE + 0x68)
73 #define CIO2_MIPIBE_GLOBAL_LUT_DISREGARD 1
74 #define CIO2_REG_MIPIBE_PKT_STALL_STATUS (CIO2_REG_MIPIBE_BASE + 0x6c)
75 #define CIO2_REG_MIPIBE_PARSE_GSP_THROUGH_LP_LUT_REG_IDX \
76 (CIO2_REG_MIPIBE_BASE + 0x70)
77 #define CIO2_REG_MIPIBE_SP_LUT_ENTRY(vc) \
78 (CIO2_REG_MIPIBE_BASE + 0x74 + 4 * (vc))
79 #define CIO2_REG_MIPIBE_LP_LUT_ENTRY(m) /* m = 0..15 */ \
80 (CIO2_REG_MIPIBE_BASE + 0x84 + 4 * (m))
81 #define CIO2_MIPIBE_LP_LUT_ENTRY_DISREGARD 1
82 #define CIO2_MIPIBE_LP_LUT_ENTRY_SID_SHIFT 1
83 #define CIO2_MIPIBE_LP_LUT_ENTRY_VC_SHIFT 5
84 #define CIO2_MIPIBE_LP_LUT_ENTRY_FORMAT_TYPE_SHIFT 7
86 /* base register: CIO2_REG_PIPE_BASE(pipe) * CIO2_REG_IRQCTRL_BASE */
87 /* IRQ registers are 18-bit wide, see cio2_irq_error for bit definitions */
88 #define CIO2_REG_IRQCTRL_EDGE (CIO2_REG_IRQCTRL_BASE + 0x00)
89 #define CIO2_REG_IRQCTRL_MASK (CIO2_REG_IRQCTRL_BASE + 0x04)
90 #define CIO2_REG_IRQCTRL_STATUS (CIO2_REG_IRQCTRL_BASE + 0x08)
91 #define CIO2_REG_IRQCTRL_CLEAR (CIO2_REG_IRQCTRL_BASE + 0x0c)
92 #define CIO2_REG_IRQCTRL_ENABLE (CIO2_REG_IRQCTRL_BASE + 0x10)
93 #define CIO2_REG_IRQCTRL_LEVEL_NOT_PULSE (CIO2_REG_IRQCTRL_BASE + 0x14)
95 #define CIO2_REG_GPREG_SRST (CIO2_REG_GPREG_BASE + 0x0)
96 #define CIO2_GPREG_SRST_ALL 0xffff /* Reset all */
97 #define CIO2_REG_FB_HPLL_FREQ (CIO2_REG_GPREG_BASE + 0x08)
98 #define CIO2_REG_ISCLK_RATIO (CIO2_REG_GPREG_BASE + 0xc)
100 #define CIO2_REG_CGC 0x1400
101 #define CIO2_CGC_CSI2_TGE BIT(0)
102 #define CIO2_CGC_PRIM_TGE BIT(1)
103 #define CIO2_CGC_SIDE_TGE BIT(2)
104 #define CIO2_CGC_XOSC_TGE BIT(3)
105 #define CIO2_CGC_MPLL_SHUTDOWN_EN BIT(4)
106 #define CIO2_CGC_D3I3_TGE BIT(5)
107 #define CIO2_CGC_CSI2_INTERFRAME_TGE BIT(6)
108 #define CIO2_CGC_CSI2_PORT_DCGE BIT(8)
109 #define CIO2_CGC_CSI2_DCGE BIT(9)
110 #define CIO2_CGC_SIDE_DCGE BIT(10)
111 #define CIO2_CGC_PRIM_DCGE BIT(11)
112 #define CIO2_CGC_ROSC_DCGE BIT(12)
113 #define CIO2_CGC_XOSC_DCGE BIT(13)
114 #define CIO2_CGC_FLIS_DCGE BIT(14)
115 #define CIO2_CGC_CLKGATE_HOLDOFF_SHIFT 20
116 #define CIO2_CGC_CSI_CLKGATE_HOLDOFF_SHIFT 24
117 #define CIO2_REG_D0I3C 0x1408
118 #define CIO2_D0I3C_I3 BIT(2) /* Set D0I3 */
119 #define CIO2_D0I3C_RR BIT(3) /* Restore? */
120 #define CIO2_REG_SWRESET 0x140c
121 #define CIO2_SWRESET_SWRESET 1
122 #define CIO2_REG_SENSOR_ACTIVE 0x1410
123 #define CIO2_REG_INT_STS 0x1414
124 #define CIO2_REG_INT_STS_EXT_OE 0x1418
125 #define CIO2_INT_EXT_OE_DMAOE_SHIFT 0
126 #define CIO2_INT_EXT_OE_DMAOE_MASK 0x7ffff
127 #define CIO2_INT_EXT_OE_OES_SHIFT 24
128 #define CIO2_INT_EXT_OE_OES_MASK (0xf << CIO2_INT_EXT_OE_OES_SHIFT)
129 #define CIO2_REG_INT_EN 0x1420
130 #define CIO2_REG_INT_EN_IRQ (1 << 24)
131 #define CIO2_REG_INT_EN_IOS(dma) (1 << (((dma) >> 1) + 12))
133 * Interrupt on completion bit, Eg. DMA 0-3 maps to bit 0-3,
134 * DMA4 & DMA5 map to bit 4 ... DMA18 & DMA19 map to bit 11 Et cetera
136 #define CIO2_INT_IOC(dma) (1 << ((dma) < 4 ? (dma) : ((dma) >> 1) + 2))
137 #define CIO2_INT_IOC_SHIFT 0
138 #define CIO2_INT_IOC_MASK (0x7ff << CIO2_INT_IOC_SHIFT)
139 #define CIO2_INT_IOS_IOLN(dma) (1 << (((dma) >> 1) + 12))
140 #define CIO2_INT_IOS_IOLN_SHIFT 12
141 #define CIO2_INT_IOS_IOLN_MASK (0x3ff << CIO2_INT_IOS_IOLN_SHIFT)
142 #define CIO2_INT_IOIE BIT(22)
143 #define CIO2_INT_IOOE BIT(23)
144 #define CIO2_INT_IOIRQ BIT(24)
145 #define CIO2_REG_INT_EN_EXT_OE 0x1424
146 #define CIO2_REG_DMA_DBG 0x1448
147 #define CIO2_REG_DMA_DBG_DMA_INDEX_SHIFT 0
148 #define CIO2_REG_PBM_ARB_CTRL 0x1460
149 #define CIO2_PBM_ARB_CTRL_LANES_DIV 0 /* 4-4-2-2 lanes */
150 #define CIO2_PBM_ARB_CTRL_LANES_DIV_SHIFT 0
151 #define CIO2_PBM_ARB_CTRL_LE_EN BIT(7)
152 #define CIO2_PBM_ARB_CTRL_PLL_POST_SHTDN 2
153 #define CIO2_PBM_ARB_CTRL_PLL_POST_SHTDN_SHIFT 8
154 #define CIO2_PBM_ARB_CTRL_PLL_AHD_WK_UP 480
155 #define CIO2_PBM_ARB_CTRL_PLL_AHD_WK_UP_SHIFT 16
156 #define CIO2_REG_PBM_WMCTRL1 0x1464
157 #define CIO2_PBM_WMCTRL1_MIN_2CK_SHIFT 0
158 #define CIO2_PBM_WMCTRL1_MID1_2CK_SHIFT 8
159 #define CIO2_PBM_WMCTRL1_MID2_2CK_SHIFT 16
160 #define CIO2_PBM_WMCTRL1_TS_COUNT_DISABLE BIT(31)
161 #define CIO2_PBM_WMCTRL1_MIN_2CK (4 << CIO2_PBM_WMCTRL1_MIN_2CK_SHIFT)
162 #define CIO2_PBM_WMCTRL1_MID1_2CK (16 << CIO2_PBM_WMCTRL1_MID1_2CK_SHIFT)
163 #define CIO2_PBM_WMCTRL1_MID2_2CK (21 << CIO2_PBM_WMCTRL1_MID2_2CK_SHIFT)
164 #define CIO2_REG_PBM_WMCTRL2 0x1468
165 #define CIO2_PBM_WMCTRL2_HWM_2CK 40
166 #define CIO2_PBM_WMCTRL2_HWM_2CK_SHIFT 0
167 #define CIO2_PBM_WMCTRL2_LWM_2CK 22
168 #define CIO2_PBM_WMCTRL2_LWM_2CK_SHIFT 8
169 #define CIO2_PBM_WMCTRL2_OBFFWM_2CK 2
170 #define CIO2_PBM_WMCTRL2_OBFFWM_2CK_SHIFT 16
171 #define CIO2_PBM_WMCTRL2_TRANSDYN 1
172 #define CIO2_PBM_WMCTRL2_TRANSDYN_SHIFT 24
173 #define CIO2_PBM_WMCTRL2_DYNWMEN BIT(28)
174 #define CIO2_PBM_WMCTRL2_OBFF_MEM_EN BIT(29)
175 #define CIO2_PBM_WMCTRL2_OBFF_CPU_EN BIT(30)
176 #define CIO2_PBM_WMCTRL2_DRAINNOW BIT(31)
177 #define CIO2_REG_PBM_TS_COUNT 0x146c
178 #define CIO2_REG_PBM_FOPN_ABORT 0x1474
180 #define CIO2_PBM_FOPN_ABORT(n) (0x1 << 8 * (n))
181 #define CIO2_PBM_FOPN_FORCE_ABORT(n) (0x2 << 8 * (n))
182 #define CIO2_PBM_FOPN_FRAMEOPEN(n) (0x8 << 8 * (n))
183 #define CIO2_REG_LTRCTRL 0x1480
184 #define CIO2_LTRCTRL_LTRDYNEN BIT(16)
185 #define CIO2_LTRCTRL_LTRSTABLETIME_SHIFT 8
186 #define CIO2_LTRCTRL_LTRSTABLETIME_MASK 0xff
187 #define CIO2_LTRCTRL_LTRSEL1S3 BIT(7)
188 #define CIO2_LTRCTRL_LTRSEL1S2 BIT(6)
189 #define CIO2_LTRCTRL_LTRSEL1S1 BIT(5)
190 #define CIO2_LTRCTRL_LTRSEL1S0 BIT(4)
191 #define CIO2_LTRCTRL_LTRSEL2S3 BIT(3)
192 #define CIO2_LTRCTRL_LTRSEL2S2 BIT(2)
193 #define CIO2_LTRCTRL_LTRSEL2S1 BIT(1)
194 #define CIO2_LTRCTRL_LTRSEL2S0 BIT(0)
195 #define CIO2_REG_LTRVAL23 0x1484
196 #define CIO2_REG_LTRVAL01 0x1488
197 #define CIO2_LTRVAL02_VAL_SHIFT 0
198 #define CIO2_LTRVAL02_SCALE_SHIFT 10
199 #define CIO2_LTRVAL13_VAL_SHIFT 16
200 #define CIO2_LTRVAL13_SCALE_SHIFT 26
202 #define CIO2_LTRVAL0_VAL 175
203 /* Value times 1024 ns */
204 #define CIO2_LTRVAL0_SCALE 2
205 #define CIO2_LTRVAL1_VAL 90
206 #define CIO2_LTRVAL1_SCALE 2
207 #define CIO2_LTRVAL2_VAL 90
208 #define CIO2_LTRVAL2_SCALE 2
209 #define CIO2_LTRVAL3_VAL 90
210 #define CIO2_LTRVAL3_SCALE 2
212 #define CIO2_REG_CDMABA(n) (0x1500 + 0x10 * (n)) /* n = 0..19 */
213 #define CIO2_REG_CDMARI(n) (0x1504 + 0x10 * (n))
214 #define CIO2_CDMARI_FBPT_RP_SHIFT 0
215 #define CIO2_CDMARI_FBPT_RP_MASK 0xff
216 #define CIO2_REG_CDMAC0(n) (0x1508 + 0x10 * (n))
217 #define CIO2_CDMAC0_FBPT_LEN_SHIFT 0
218 #define CIO2_CDMAC0_FBPT_WIDTH_SHIFT 8
219 #define CIO2_CDMAC0_FBPT_NS BIT(25)
220 #define CIO2_CDMAC0_DMA_INTR_ON_FS BIT(26)
221 #define CIO2_CDMAC0_DMA_INTR_ON_FE BIT(27)
222 #define CIO2_CDMAC0_FBPT_UPDATE_FIFO_FULL BIT(28)
223 #define CIO2_CDMAC0_FBPT_FIFO_FULL_FIX_DIS BIT(29)
224 #define CIO2_CDMAC0_DMA_EN BIT(30)
225 #define CIO2_CDMAC0_DMA_HALTED BIT(31)
226 #define CIO2_REG_CDMAC1(n) (0x150c + 0x10 * (n))
227 #define CIO2_CDMAC1_LINENUMINT_SHIFT 0
228 #define CIO2_CDMAC1_LINENUMUPDATE_SHIFT 16
230 #define CIO2_REG_PXM_PXF_FMT_CFG0(n) (0x1700 + 0x30 * (n))
231 #define CIO2_PXM_PXF_FMT_CFG_SID0_SHIFT 0
232 #define CIO2_PXM_PXF_FMT_CFG_SID1_SHIFT 16
233 #define CIO2_PXM_PXF_FMT_CFG_PCK_64B (0 << 0)
234 #define CIO2_PXM_PXF_FMT_CFG_PCK_32B (1 << 0)
235 #define CIO2_PXM_PXF_FMT_CFG_BPP_08 (0 << 2)
236 #define CIO2_PXM_PXF_FMT_CFG_BPP_10 (1 << 2)
237 #define CIO2_PXM_PXF_FMT_CFG_BPP_12 (2 << 2)
238 #define CIO2_PXM_PXF_FMT_CFG_BPP_14 (3 << 2)
239 #define CIO2_PXM_PXF_FMT_CFG_SPEC_4PPC (0 << 4)
240 #define CIO2_PXM_PXF_FMT_CFG_SPEC_3PPC_RGBA (1 << 4)
241 #define CIO2_PXM_PXF_FMT_CFG_SPEC_3PPC_ARGB (2 << 4)
242 #define CIO2_PXM_PXF_FMT_CFG_SPEC_PLANAR2 (3 << 4)
243 #define CIO2_PXM_PXF_FMT_CFG_SPEC_PLANAR3 (4 << 4)
244 #define CIO2_PXM_PXF_FMT_CFG_SPEC_NV16 (5 << 4)
245 #define CIO2_PXM_PXF_FMT_CFG_PSWAP4_1ST_AB (1 << 7)
246 #define CIO2_PXM_PXF_FMT_CFG_PSWAP4_1ST_CD (1 << 8)
247 #define CIO2_PXM_PXF_FMT_CFG_PSWAP4_2ND_AC (1 << 9)
248 #define CIO2_PXM_PXF_FMT_CFG_PSWAP4_2ND_BD (1 << 10)
249 #define CIO2_REG_INT_STS_EXT_IE 0x17e4
250 #define CIO2_REG_INT_EN_EXT_IE 0x17e8
251 #define CIO2_INT_EXT_IE_ECC_RE(n) (0x01 << (8 * (n)))
252 #define CIO2_INT_EXT_IE_DPHY_NR(n) (0x02 << (8 * (n)))
253 #define CIO2_INT_EXT_IE_ECC_NR(n) (0x04 << (8 * (n)))
254 #define CIO2_INT_EXT_IE_CRCERR(n) (0x08 << (8 * (n)))
255 #define CIO2_INT_EXT_IE_INTERFRAMEDATA(n) (0x10 << (8 * (n)))
256 #define CIO2_INT_EXT_IE_PKT2SHORT(n) (0x20 << (8 * (n)))
257 #define CIO2_INT_EXT_IE_PKT2LONG(n) (0x40 << (8 * (n)))
258 #define CIO2_INT_EXT_IE_IRQ(n) (0x80 << (8 * (n)))
259 #define CIO2_REG_PXM_FRF_CFG(n) (0x1720 + 0x30 * (n))
260 #define CIO2_PXM_FRF_CFG_FNSEL BIT(0)
261 #define CIO2_PXM_FRF_CFG_FN_RST BIT(1)
262 #define CIO2_PXM_FRF_CFG_ABORT BIT(2)
263 #define CIO2_PXM_FRF_CFG_CRC_TH_SHIFT 3
264 #define CIO2_PXM_FRF_CFG_MSK_ECC_DPHY_NR BIT(8)
265 #define CIO2_PXM_FRF_CFG_MSK_ECC_RE BIT(9)
266 #define CIO2_PXM_FRF_CFG_MSK_ECC_DPHY_NE BIT(10)
267 #define CIO2_PXM_FRF_CFG_EVEN_ODD_MODE_SHIFT 11
268 #define CIO2_PXM_FRF_CFG_MASK_CRC_THRES BIT(13)
269 #define CIO2_PXM_FRF_CFG_MASK_CSI_ACCEPT BIT(14)
270 #define CIO2_PXM_FRF_CFG_CIOHC_FS_MODE BIT(15)
271 #define CIO2_PXM_FRF_CFG_CIOHC_FRST_FRM_SHIFT 16
272 #define CIO2_REG_PXM_SID2BID0(n) (0x1724 + 0x30 * (n))
273 #define CIO2_FB_HPLL_FREQ 0x2
274 #define CIO2_ISCLK_RATIO 0xc
276 #define CIO2_IRQCTRL_MASK 0x3ffff
278 #define CIO2_INT_EN_EXT_OE_MASK 0x8f0fffff
280 #define CIO2_CGC_CLKGATE_HOLDOFF 3
281 #define CIO2_CGC_CSI_CLKGATE_HOLDOFF 5
283 #define CIO2_PXM_FRF_CFG_CRC_TH 16
285 #define CIO2_INT_EN_EXT_IE_MASK 0xffffffff
287 #define CIO2_DMA_CHAN 0
289 #define CIO2_CSIRX_DLY_CNT_CLANE_IDX -1
291 #define CIO2_CSIRX_DLY_CNT_TERMEN_CLANE_A 0
292 #define CIO2_CSIRX_DLY_CNT_TERMEN_CLANE_B 0
293 #define CIO2_CSIRX_DLY_CNT_SETTLE_CLANE_A 95
294 #define CIO2_CSIRX_DLY_CNT_SETTLE_CLANE_B -8
296 #define CIO2_CSIRX_DLY_CNT_TERMEN_DLANE_A 0
297 #define CIO2_CSIRX_DLY_CNT_TERMEN_DLANE_B 0
298 #define CIO2_CSIRX_DLY_CNT_SETTLE_DLANE_A 85
299 #define CIO2_CSIRX_DLY_CNT_SETTLE_DLANE_B -2
301 #define CIO2_CSIRX_DLY_CNT_TERMEN_DEFAULT 0x4
302 #define CIO2_CSIRX_DLY_CNT_SETTLE_DEFAULT 0x570
304 #define CIO2_PMCSR_OFFSET 4
305 #define CIO2_PMCSR_D0D3_SHIFT 2
306 #define CIO2_PMCSR_D3 0x3
308 struct cio2_csi2_timing
{
316 struct vb2_v4l2_buffer vbb
;
317 u32
*lop
[CIO2_MAX_LOPS
];
318 dma_addr_t lop_bus_addr
[CIO2_MAX_LOPS
];
322 struct csi2_bus_info
{
328 /* mutex to be used by vb2_queue */
330 struct media_pipeline pipe
;
331 struct csi2_bus_info csi2
;
332 struct v4l2_subdev
*sensor
;
333 void __iomem
*csi_rx_base
;
335 /* Subdev, /dev/v4l-subdevX */
336 struct v4l2_subdev subdev
;
337 struct media_pad subdev_pads
[CIO2_PADS
];
338 struct v4l2_mbus_framefmt subdev_fmt
;
339 atomic_t frame_sequence
;
341 /* Video device, /dev/videoX */
342 struct video_device vdev
;
343 struct media_pad vdev_pad
;
344 struct v4l2_pix_format_mplane format
;
345 struct vb2_queue vbq
;
347 /* Buffer queue handling */
348 struct cio2_fbpt_entry
*fbpt
; /* Frame buffer pointer table */
349 dma_addr_t fbpt_bus_addr
;
350 struct cio2_buffer
*bufs
[CIO2_MAX_BUFFERS
];
351 unsigned int bufs_first
; /* Index of the first used entry */
352 unsigned int bufs_next
; /* Index of the first unused entry */
353 atomic_t bufs_queued
;
357 struct pci_dev
*pci_dev
;
359 struct v4l2_device v4l2_dev
;
360 struct cio2_queue queue
[CIO2_QUEUES
];
361 struct cio2_queue
*cur_queue
;
362 /* mutex to be used by video_device */
366 struct v4l2_async_notifier notifier
;
367 struct media_device media_dev
;
370 * Safety net to catch DMA fetch ahead
371 * when reaching the end of LOP
374 /* DMA handle of dummy_page */
375 dma_addr_t dummy_page_bus_addr
;
376 /* single List of Pointers (LOP) page */
378 /* DMA handle of dummy_lop */
379 dma_addr_t dummy_lop_bus_addr
;
382 /**************** Virtual channel ****************/
384 * This should come from sensor driver. No
385 * driver interface nor requirement yet.
387 #define SENSOR_VIR_CH_DFLT 0
389 /**************** FBPT operations ****************/
390 #define CIO2_FBPT_SIZE (CIO2_MAX_BUFFERS * CIO2_MAX_LOPS * \
391 sizeof(struct cio2_fbpt_entry))
393 #define CIO2_FBPT_SUBENTRY_UNIT 4
394 #define CIO2_PAGE_SIZE 4096
396 /* cio2 fbpt first_entry ctrl status */
397 #define CIO2_FBPT_CTRL_VALID BIT(0)
398 #define CIO2_FBPT_CTRL_IOC BIT(1)
399 #define CIO2_FBPT_CTRL_IOS BIT(2)
400 #define CIO2_FBPT_CTRL_SUCCXFAIL BIT(3)
401 #define CIO2_FBPT_CTRL_CMPLCODE_SHIFT 4
404 * Frame Buffer Pointer Table(FBPT) entry
405 * each entry describe an output buffer and consists of
406 * several sub-entries
408 struct __packed cio2_fbpt_entry
{
411 u32 ctrl
; /* status ctrl */
412 u16 cur_line_num
; /* current line # written to DDR */
413 u16 frame_num
; /* updated by DMA upon FE */
414 u32 first_page_offset
; /* offset for 1st page in LOP */
416 /* Second entry per buffer */
420 /* the number of bytes for write on last page */
421 u16 last_page_available_bytes
;
422 /* the number of pages allocated for this buf */
426 u32 lop_page_addr
; /* Points to list of pointers (LOP) table */
429 static inline struct cio2_queue
*file_to_cio2_queue(struct file
*file
)
431 return container_of(video_devdata(file
), struct cio2_queue
, vdev
);
434 static inline struct cio2_queue
*vb2q_to_cio2_queue(struct vb2_queue
*vq
)
436 return container_of(vq
, struct cio2_queue
, vbq
);