diff options
author | David S. Miller <davem@davemloft.net> | 2010-02-28 22:23:06 -0500 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2010-02-28 22:23:06 -0500 |
commit | 47871889c601d8199c51a4086f77eebd77c29b0b (patch) | |
tree | 40cdcac3bff0ee40cc33dcca61d0577cdf965f77 /drivers/media/video/tvp7002.c | |
parent | c16cc0b464b8876cfd57ce1c1dbcb6f9a6a0bce3 (diff) | |
parent | 30ff056c42c665b9ea535d8515890857ae382540 (diff) |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts:
drivers/firmware/iscsi_ibft.c
Diffstat (limited to 'drivers/media/video/tvp7002.c')
-rw-r--r-- | drivers/media/video/tvp7002.c | 1187 |
1 files changed, 1187 insertions, 0 deletions
diff --git a/drivers/media/video/tvp7002.c b/drivers/media/video/tvp7002.c new file mode 100644 index 000000000000..5a878bca02d4 --- /dev/null +++ b/drivers/media/video/tvp7002.c | |||
@@ -0,0 +1,1187 @@ | |||
1 | /* Texas Instruments Triple 8-/10-BIT 165-/110-MSPS Video and Graphics | ||
2 | * Digitizer with Horizontal PLL registers | ||
3 | * | ||
4 | * Copyright (C) 2009 Texas Instruments Inc | ||
5 | * Author: Santiago Nunez-Corrales <santiago.nunez@ridgerun.com> | ||
6 | * | ||
7 | * This code is partially based upon the TVP5150 driver | ||
8 | * written by Mauro Carvalho Chehab (mchehab@infradead.org), | ||
9 | * the TVP514x driver written by Vaibhav Hiremath <hvaibhav@ti.com> | ||
10 | * and the TVP7002 driver in the TI LSP 2.10.00.14. Revisions by | ||
11 | * Muralidharan Karicheri and Snehaprabha Narnakaje (TI). | ||
12 | * | ||
13 | * This program is free software; you can redistribute it and/or modify | ||
14 | * it under the terms of the GNU General Public License as published by | ||
15 | * the Free Software Foundation; either version 2 of the License, or | ||
16 | * (at your option) any later version. | ||
17 | * | ||
18 | * This program is distributed in the hope that it will be useful, | ||
19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
21 | * GNU General Public License for more details. | ||
22 | * | ||
23 | * You should have received a copy of the GNU General Public License | ||
24 | * along with this program; if not, write to the Free Software | ||
25 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
26 | */ | ||
27 | #include <linux/delay.h> | ||
28 | #include <linux/i2c.h> | ||
29 | #include <linux/videodev2.h> | ||
30 | #include <media/tvp7002.h> | ||
31 | #include <media/v4l2-device.h> | ||
32 | #include <media/v4l2-chip-ident.h> | ||
33 | #include <media/v4l2-common.h> | ||
34 | #include "tvp7002_reg.h" | ||
35 | |||
36 | MODULE_DESCRIPTION("TI TVP7002 Video and Graphics Digitizer driver"); | ||
37 | MODULE_AUTHOR("Santiago Nunez-Corrales <santiago.nunez@ridgerun.com>"); | ||
38 | MODULE_LICENSE("GPL"); | ||
39 | |||
40 | /* Module Name */ | ||
41 | #define TVP7002_MODULE_NAME "tvp7002" | ||
42 | |||
43 | /* I2C retry attempts */ | ||
44 | #define I2C_RETRY_COUNT (5) | ||
45 | |||
46 | /* End of registers */ | ||
47 | #define TVP7002_EOR 0x5c | ||
48 | |||
49 | /* Read write definition for registers */ | ||
50 | #define TVP7002_READ 0 | ||
51 | #define TVP7002_WRITE 1 | ||
52 | #define TVP7002_RESERVED 2 | ||
53 | |||
54 | /* Interlaced vs progressive mask and shift */ | ||
55 | #define TVP7002_IP_SHIFT 5 | ||
56 | #define TVP7002_INPR_MASK (0x01 << TVP7002_IP_SHIFT) | ||
57 | |||
58 | /* Shift for CPL and LPF registers */ | ||
59 | #define TVP7002_CL_SHIFT 8 | ||
60 | #define TVP7002_CL_MASK 0x0f | ||
61 | |||
62 | /* Debug functions */ | ||
63 | static int debug; | ||
64 | module_param(debug, bool, 0644); | ||
65 | MODULE_PARM_DESC(debug, "Debug level (0-2)"); | ||
66 | |||
67 | /* Structure for register values */ | ||
68 | struct i2c_reg_value { | ||
69 | u8 reg; | ||
70 | u8 value; | ||
71 | u8 type; | ||
72 | }; | ||
73 | |||
74 | /* | ||
75 | * Register default values (according to tvp7002 datasheet) | ||
76 | * In the case of read-only registers, the value (0xff) is | ||
77 | * never written. R/W functionality is controlled by the | ||
78 | * writable bit in the register struct definition. | ||
79 | */ | ||
80 | static const struct i2c_reg_value tvp7002_init_default[] = { | ||
81 | { TVP7002_CHIP_REV, 0xff, TVP7002_READ }, | ||
82 | { TVP7002_HPLL_FDBK_DIV_MSBS, 0x67, TVP7002_WRITE }, | ||
83 | { TVP7002_HPLL_FDBK_DIV_LSBS, 0x20, TVP7002_WRITE }, | ||
84 | { TVP7002_HPLL_CRTL, 0xa0, TVP7002_WRITE }, | ||
85 | { TVP7002_HPLL_PHASE_SEL, 0x80, TVP7002_WRITE }, | ||
86 | { TVP7002_CLAMP_START, 0x32, TVP7002_WRITE }, | ||
87 | { TVP7002_CLAMP_W, 0x20, TVP7002_WRITE }, | ||
88 | { TVP7002_HSYNC_OUT_W, 0x60, TVP7002_WRITE }, | ||
89 | { TVP7002_B_FINE_GAIN, 0x00, TVP7002_WRITE }, | ||
90 | { TVP7002_G_FINE_GAIN, 0x00, TVP7002_WRITE }, | ||
91 | { TVP7002_R_FINE_GAIN, 0x00, TVP7002_WRITE }, | ||
92 | { TVP7002_B_FINE_OFF_MSBS, 0x80, TVP7002_WRITE }, | ||
93 | { TVP7002_G_FINE_OFF_MSBS, 0x80, TVP7002_WRITE }, | ||
94 | { TVP7002_R_FINE_OFF_MSBS, 0x80, TVP7002_WRITE }, | ||
95 | { TVP7002_SYNC_CTL_1, 0x20, TVP7002_WRITE }, | ||
96 | { TVP7002_HPLL_AND_CLAMP_CTL, 0x2e, TVP7002_WRITE }, | ||
97 | { TVP7002_SYNC_ON_G_THRS, 0x5d, TVP7002_WRITE }, | ||
98 | { TVP7002_SYNC_SEPARATOR_THRS, 0x47, TVP7002_WRITE }, | ||
99 | { TVP7002_HPLL_PRE_COAST, 0x00, TVP7002_WRITE }, | ||
100 | { TVP7002_HPLL_POST_COAST, 0x00, TVP7002_WRITE }, | ||
101 | { TVP7002_SYNC_DETECT_STAT, 0xff, TVP7002_READ }, | ||
102 | { TVP7002_OUT_FORMATTER, 0x47, TVP7002_WRITE }, | ||
103 | { TVP7002_MISC_CTL_1, 0x01, TVP7002_WRITE }, | ||
104 | { TVP7002_MISC_CTL_2, 0x00, TVP7002_WRITE }, | ||
105 | { TVP7002_MISC_CTL_3, 0x01, TVP7002_WRITE }, | ||
106 | { TVP7002_IN_MUX_SEL_1, 0x00, TVP7002_WRITE }, | ||
107 | { TVP7002_IN_MUX_SEL_2, 0x67, TVP7002_WRITE }, | ||
108 | { TVP7002_B_AND_G_COARSE_GAIN, 0x77, TVP7002_WRITE }, | ||
109 | { TVP7002_R_COARSE_GAIN, 0x07, TVP7002_WRITE }, | ||
110 | { TVP7002_FINE_OFF_LSBS, 0x00, TVP7002_WRITE }, | ||
111 | { TVP7002_B_COARSE_OFF, 0x10, TVP7002_WRITE }, | ||
112 | { TVP7002_G_COARSE_OFF, 0x10, TVP7002_WRITE }, | ||
113 | { TVP7002_R_COARSE_OFF, 0x10, TVP7002_WRITE }, | ||
114 | { TVP7002_HSOUT_OUT_START, 0x08, TVP7002_WRITE }, | ||
115 | { TVP7002_MISC_CTL_4, 0x00, TVP7002_WRITE }, | ||
116 | { TVP7002_B_DGTL_ALC_OUT_LSBS, 0xff, TVP7002_READ }, | ||
117 | { TVP7002_G_DGTL_ALC_OUT_LSBS, 0xff, TVP7002_READ }, | ||
118 | { TVP7002_R_DGTL_ALC_OUT_LSBS, 0xff, TVP7002_READ }, | ||
119 | { TVP7002_AUTO_LVL_CTL_ENABLE, 0x80, TVP7002_WRITE }, | ||
120 | { TVP7002_DGTL_ALC_OUT_MSBS, 0xff, TVP7002_READ }, | ||
121 | { TVP7002_AUTO_LVL_CTL_FILTER, 0x53, TVP7002_WRITE }, | ||
122 | { 0x29, 0x08, TVP7002_RESERVED }, | ||
123 | { TVP7002_FINE_CLAMP_CTL, 0x07, TVP7002_WRITE }, | ||
124 | /* PWR_CTL is controlled only by the probe and reset functions */ | ||
125 | { TVP7002_PWR_CTL, 0x00, TVP7002_RESERVED }, | ||
126 | { TVP7002_ADC_SETUP, 0x50, TVP7002_WRITE }, | ||
127 | { TVP7002_COARSE_CLAMP_CTL, 0x00, TVP7002_WRITE }, | ||
128 | { TVP7002_SOG_CLAMP, 0x80, TVP7002_WRITE }, | ||
129 | { TVP7002_RGB_COARSE_CLAMP_CTL, 0x00, TVP7002_WRITE }, | ||
130 | { TVP7002_SOG_COARSE_CLAMP_CTL, 0x04, TVP7002_WRITE }, | ||
131 | { TVP7002_ALC_PLACEMENT, 0x5a, TVP7002_WRITE }, | ||
132 | { 0x32, 0x18, TVP7002_RESERVED }, | ||
133 | { 0x33, 0x60, TVP7002_RESERVED }, | ||
134 | { TVP7002_MVIS_STRIPPER_W, 0xff, TVP7002_RESERVED }, | ||
135 | { TVP7002_VSYNC_ALGN, 0x10, TVP7002_WRITE }, | ||
136 | { TVP7002_SYNC_BYPASS, 0x00, TVP7002_WRITE }, | ||
137 | { TVP7002_L_FRAME_STAT_LSBS, 0xff, TVP7002_READ }, | ||
138 | { TVP7002_L_FRAME_STAT_MSBS, 0xff, TVP7002_READ }, | ||
139 | { TVP7002_CLK_L_STAT_LSBS, 0xff, TVP7002_READ }, | ||
140 | { TVP7002_CLK_L_STAT_MSBS, 0xff, TVP7002_READ }, | ||
141 | { TVP7002_HSYNC_W, 0xff, TVP7002_READ }, | ||
142 | { TVP7002_VSYNC_W, 0xff, TVP7002_READ }, | ||
143 | { TVP7002_L_LENGTH_TOL, 0x03, TVP7002_WRITE }, | ||
144 | { 0x3e, 0x60, TVP7002_RESERVED }, | ||
145 | { TVP7002_VIDEO_BWTH_CTL, 0x01, TVP7002_WRITE }, | ||
146 | { TVP7002_AVID_START_PIXEL_LSBS, 0x01, TVP7002_WRITE }, | ||
147 | { TVP7002_AVID_START_PIXEL_MSBS, 0x2c, TVP7002_WRITE }, | ||
148 | { TVP7002_AVID_STOP_PIXEL_LSBS, 0x06, TVP7002_WRITE }, | ||
149 | { TVP7002_AVID_STOP_PIXEL_MSBS, 0x2c, TVP7002_WRITE }, | ||
150 | { TVP7002_VBLK_F_0_START_L_OFF, 0x05, TVP7002_WRITE }, | ||
151 | { TVP7002_VBLK_F_1_START_L_OFF, 0x00, TVP7002_WRITE }, | ||
152 | { TVP7002_VBLK_F_0_DURATION, 0x1e, TVP7002_WRITE }, | ||
153 | { TVP7002_VBLK_F_1_DURATION, 0x00, TVP7002_WRITE }, | ||
154 | { TVP7002_FBIT_F_0_START_L_OFF, 0x00, TVP7002_WRITE }, | ||
155 | { TVP7002_FBIT_F_1_START_L_OFF, 0x00, TVP7002_WRITE }, | ||
156 | { TVP7002_YUV_Y_G_COEF_LSBS, 0xe3, TVP7002_WRITE }, | ||
157 | { TVP7002_YUV_Y_G_COEF_MSBS, 0x16, TVP7002_WRITE }, | ||
158 | { TVP7002_YUV_Y_B_COEF_LSBS, 0x4f, TVP7002_WRITE }, | ||
159 | { TVP7002_YUV_Y_B_COEF_MSBS, 0x02, TVP7002_WRITE }, | ||
160 | { TVP7002_YUV_Y_R_COEF_LSBS, 0xce, TVP7002_WRITE }, | ||
161 | { TVP7002_YUV_Y_R_COEF_MSBS, 0x06, TVP7002_WRITE }, | ||
162 | { TVP7002_YUV_U_G_COEF_LSBS, 0xab, TVP7002_WRITE }, | ||
163 | { TVP7002_YUV_U_G_COEF_MSBS, 0xf3, TVP7002_WRITE }, | ||
164 | { TVP7002_YUV_U_B_COEF_LSBS, 0x00, TVP7002_WRITE }, | ||
165 | { TVP7002_YUV_U_B_COEF_MSBS, 0x10, TVP7002_WRITE }, | ||
166 | { TVP7002_YUV_U_R_COEF_LSBS, 0x55, TVP7002_WRITE }, | ||
167 | { TVP7002_YUV_U_R_COEF_MSBS, 0xfc, TVP7002_WRITE }, | ||
168 | { TVP7002_YUV_V_G_COEF_LSBS, 0x78, TVP7002_WRITE }, | ||
169 | { TVP7002_YUV_V_G_COEF_MSBS, 0xf1, TVP7002_WRITE }, | ||
170 | { TVP7002_YUV_V_B_COEF_LSBS, 0x88, TVP7002_WRITE }, | ||
171 | { TVP7002_YUV_V_B_COEF_MSBS, 0xfe, TVP7002_WRITE }, | ||
172 | { TVP7002_YUV_V_R_COEF_LSBS, 0x00, TVP7002_WRITE }, | ||
173 | { TVP7002_YUV_V_R_COEF_MSBS, 0x10, TVP7002_WRITE }, | ||
174 | /* This signals end of register values */ | ||
175 | { TVP7002_EOR, 0xff, TVP7002_RESERVED } | ||
176 | }; | ||
177 | |||
178 | /* Register parameters for 480P */ | ||
179 | static const struct i2c_reg_value tvp7002_parms_480P[] = { | ||
180 | { TVP7002_HPLL_FDBK_DIV_MSBS, 0x35, TVP7002_WRITE }, | ||
181 | { TVP7002_HPLL_FDBK_DIV_LSBS, 0x0a, TVP7002_WRITE }, | ||
182 | { TVP7002_HPLL_CRTL, 0x02, TVP7002_WRITE }, | ||
183 | { TVP7002_HPLL_PHASE_SEL, 0x14, TVP7002_WRITE }, | ||
184 | { TVP7002_AVID_START_PIXEL_LSBS, 0x91, TVP7002_WRITE }, | ||
185 | { TVP7002_AVID_START_PIXEL_MSBS, 0x00, TVP7002_WRITE }, | ||
186 | { TVP7002_AVID_STOP_PIXEL_LSBS, 0x0B, TVP7002_WRITE }, | ||
187 | { TVP7002_AVID_STOP_PIXEL_MSBS, 0x00, TVP7002_WRITE }, | ||
188 | { TVP7002_VBLK_F_0_START_L_OFF, 0x03, TVP7002_WRITE }, | ||
189 | { TVP7002_VBLK_F_1_START_L_OFF, 0x01, TVP7002_WRITE }, | ||
190 | { TVP7002_VBLK_F_0_DURATION, 0x13, TVP7002_WRITE }, | ||
191 | { TVP7002_VBLK_F_1_DURATION, 0x13, TVP7002_WRITE }, | ||
192 | { TVP7002_ALC_PLACEMENT, 0x18, TVP7002_WRITE }, | ||
193 | { TVP7002_CLAMP_START, 0x06, TVP7002_WRITE }, | ||
194 | { TVP7002_CLAMP_W, 0x10, TVP7002_WRITE }, | ||
195 | { TVP7002_HPLL_PRE_COAST, 0x03, TVP7002_WRITE }, | ||
196 | { TVP7002_HPLL_POST_COAST, 0x03, TVP7002_WRITE }, | ||
197 | { TVP7002_EOR, 0xff, TVP7002_RESERVED } | ||
198 | }; | ||
199 | |||
200 | /* Register parameters for 576P */ | ||
201 | static const struct i2c_reg_value tvp7002_parms_576P[] = { | ||
202 | { TVP7002_HPLL_FDBK_DIV_MSBS, 0x36, TVP7002_WRITE }, | ||
203 | { TVP7002_HPLL_FDBK_DIV_LSBS, 0x00, TVP7002_WRITE }, | ||
204 | { TVP7002_HPLL_CRTL, 0x18, TVP7002_WRITE }, | ||
205 | { TVP7002_HPLL_PHASE_SEL, 0x14, TVP7002_WRITE }, | ||
206 | { TVP7002_AVID_START_PIXEL_LSBS, 0x9B, TVP7002_WRITE }, | ||
207 | { TVP7002_AVID_START_PIXEL_MSBS, 0x00, TVP7002_WRITE }, | ||
208 | { TVP7002_AVID_STOP_PIXEL_LSBS, 0x0F, TVP7002_WRITE }, | ||
209 | { TVP7002_AVID_STOP_PIXEL_MSBS, 0x00, TVP7002_WRITE }, | ||
210 | { TVP7002_VBLK_F_0_START_L_OFF, 0x00, TVP7002_WRITE }, | ||
211 | { TVP7002_VBLK_F_1_START_L_OFF, 0x00, TVP7002_WRITE }, | ||
212 | { TVP7002_VBLK_F_0_DURATION, 0x2D, TVP7002_WRITE }, | ||
213 | { TVP7002_VBLK_F_1_DURATION, 0x00, TVP7002_WRITE }, | ||
214 | { TVP7002_ALC_PLACEMENT, 0x18, TVP7002_WRITE }, | ||
215 | { TVP7002_CLAMP_START, 0x06, TVP7002_WRITE }, | ||
216 | { TVP7002_CLAMP_W, 0x10, TVP7002_WRITE }, | ||
217 | { TVP7002_HPLL_PRE_COAST, 0x03, TVP7002_WRITE }, | ||
218 | { TVP7002_HPLL_POST_COAST, 0x03, TVP7002_WRITE }, | ||
219 | { TVP7002_EOR, 0xff, TVP7002_RESERVED } | ||
220 | }; | ||
221 | |||
222 | /* Register parameters for 1080I60 */ | ||
223 | static const struct i2c_reg_value tvp7002_parms_1080I60[] = { | ||
224 | { TVP7002_HPLL_FDBK_DIV_MSBS, 0x89, TVP7002_WRITE }, | ||
225 | { TVP7002_HPLL_FDBK_DIV_LSBS, 0x08, TVP7002_WRITE }, | ||
226 | { TVP7002_HPLL_CRTL, 0x98, TVP7002_WRITE }, | ||
227 | { TVP7002_HPLL_PHASE_SEL, 0x14, TVP7002_WRITE }, | ||
228 | { TVP7002_AVID_START_PIXEL_LSBS, 0x06, TVP7002_WRITE }, | ||
229 | { TVP7002_AVID_START_PIXEL_MSBS, 0x01, TVP7002_WRITE }, | ||
230 | { TVP7002_AVID_STOP_PIXEL_LSBS, 0x8a, TVP7002_WRITE }, | ||
231 | { TVP7002_AVID_STOP_PIXEL_MSBS, 0x08, TVP7002_WRITE }, | ||
232 | { TVP7002_VBLK_F_0_START_L_OFF, 0x02, TVP7002_WRITE }, | ||
233 | { TVP7002_VBLK_F_1_START_L_OFF, 0x02, TVP7002_WRITE }, | ||
234 | { TVP7002_VBLK_F_0_DURATION, 0x16, TVP7002_WRITE }, | ||
235 | { TVP7002_VBLK_F_1_DURATION, 0x17, TVP7002_WRITE }, | ||
236 | { TVP7002_ALC_PLACEMENT, 0x5a, TVP7002_WRITE }, | ||
237 | { TVP7002_CLAMP_START, 0x32, TVP7002_WRITE }, | ||
238 | { TVP7002_CLAMP_W, 0x20, TVP7002_WRITE }, | ||
239 | { TVP7002_HPLL_PRE_COAST, 0x01, TVP7002_WRITE }, | ||
240 | { TVP7002_HPLL_POST_COAST, 0x00, TVP7002_WRITE }, | ||
241 | { TVP7002_EOR, 0xff, TVP7002_RESERVED } | ||
242 | }; | ||
243 | |||
244 | /* Register parameters for 1080P60 */ | ||
245 | static const struct i2c_reg_value tvp7002_parms_1080P60[] = { | ||
246 | { TVP7002_HPLL_FDBK_DIV_MSBS, 0x89, TVP7002_WRITE }, | ||
247 | { TVP7002_HPLL_FDBK_DIV_LSBS, 0x08, TVP7002_WRITE }, | ||
248 | { TVP7002_HPLL_CRTL, 0xE0, TVP7002_WRITE }, | ||
249 | { TVP7002_HPLL_PHASE_SEL, 0x14, TVP7002_WRITE }, | ||
250 | { TVP7002_AVID_START_PIXEL_LSBS, 0x06, TVP7002_WRITE }, | ||
251 | { TVP7002_AVID_START_PIXEL_MSBS, 0x01, TVP7002_WRITE }, | ||
252 | { TVP7002_AVID_STOP_PIXEL_LSBS, 0x8a, TVP7002_WRITE }, | ||
253 | { TVP7002_AVID_STOP_PIXEL_MSBS, 0x08, TVP7002_WRITE }, | ||
254 | { TVP7002_VBLK_F_0_START_L_OFF, 0x02, TVP7002_WRITE }, | ||
255 | { TVP7002_VBLK_F_1_START_L_OFF, 0x02, TVP7002_WRITE }, | ||
256 | { TVP7002_VBLK_F_0_DURATION, 0x16, TVP7002_WRITE }, | ||
257 | { TVP7002_VBLK_F_1_DURATION, 0x17, TVP7002_WRITE }, | ||
258 | { TVP7002_ALC_PLACEMENT, 0x5a, TVP7002_WRITE }, | ||
259 | { TVP7002_CLAMP_START, 0x32, TVP7002_WRITE }, | ||
260 | { TVP7002_CLAMP_W, 0x20, TVP7002_WRITE }, | ||
261 | { TVP7002_HPLL_PRE_COAST, 0x01, TVP7002_WRITE }, | ||
262 | { TVP7002_HPLL_POST_COAST, 0x00, TVP7002_WRITE }, | ||
263 | { TVP7002_EOR, 0xff, TVP7002_RESERVED } | ||
264 | }; | ||
265 | |||
266 | /* Register parameters for 1080I50 */ | ||
267 | static const struct i2c_reg_value tvp7002_parms_1080I50[] = { | ||
268 | { TVP7002_HPLL_FDBK_DIV_MSBS, 0xa5, TVP7002_WRITE }, | ||
269 | { TVP7002_HPLL_FDBK_DIV_LSBS, 0x00, TVP7002_WRITE }, | ||
270 | { TVP7002_HPLL_CRTL, 0x98, TVP7002_WRITE }, | ||
271 | { TVP7002_HPLL_PHASE_SEL, 0x14, TVP7002_WRITE }, | ||
272 | { TVP7002_AVID_START_PIXEL_LSBS, 0x06, TVP7002_WRITE }, | ||
273 | { TVP7002_AVID_START_PIXEL_MSBS, 0x01, TVP7002_WRITE }, | ||
274 | { TVP7002_AVID_STOP_PIXEL_LSBS, 0x8a, TVP7002_WRITE }, | ||
275 | { TVP7002_AVID_STOP_PIXEL_MSBS, 0x08, TVP7002_WRITE }, | ||
276 | { TVP7002_VBLK_F_0_START_L_OFF, 0x02, TVP7002_WRITE }, | ||
277 | { TVP7002_VBLK_F_1_START_L_OFF, 0x02, TVP7002_WRITE }, | ||
278 | { TVP7002_VBLK_F_0_DURATION, 0x16, TVP7002_WRITE }, | ||
279 | { TVP7002_VBLK_F_1_DURATION, 0x17, TVP7002_WRITE }, | ||
280 | { TVP7002_ALC_PLACEMENT, 0x5a, TVP7002_WRITE }, | ||
281 | { TVP7002_CLAMP_START, 0x32, TVP7002_WRITE }, | ||
282 | { TVP7002_CLAMP_W, 0x20, TVP7002_WRITE }, | ||
283 | { TVP7002_HPLL_PRE_COAST, 0x01, TVP7002_WRITE }, | ||
284 | { TVP7002_HPLL_POST_COAST, 0x00, TVP7002_WRITE }, | ||
285 | { TVP7002_EOR, 0xff, TVP7002_RESERVED } | ||
286 | }; | ||
287 | |||
288 | /* Register parameters for 720P60 */ | ||
289 | static const struct i2c_reg_value tvp7002_parms_720P60[] = { | ||
290 | { TVP7002_HPLL_FDBK_DIV_MSBS, 0x67, TVP7002_WRITE }, | ||
291 | { TVP7002_HPLL_FDBK_DIV_LSBS, 0x02, TVP7002_WRITE }, | ||
292 | { TVP7002_HPLL_CRTL, 0xa0, TVP7002_WRITE }, | ||
293 | { TVP7002_HPLL_PHASE_SEL, 0x16, TVP7002_WRITE }, | ||
294 | { TVP7002_AVID_START_PIXEL_LSBS, 0x47, TVP7002_WRITE }, | ||
295 | { TVP7002_AVID_START_PIXEL_MSBS, 0x01, TVP7002_WRITE }, | ||
296 | { TVP7002_AVID_STOP_PIXEL_LSBS, 0x4B, TVP7002_WRITE }, | ||
297 | { TVP7002_AVID_STOP_PIXEL_MSBS, 0x06, TVP7002_WRITE }, | ||
298 | { TVP7002_VBLK_F_0_START_L_OFF, 0x05, TVP7002_WRITE }, | ||
299 | { TVP7002_VBLK_F_1_START_L_OFF, 0x00, TVP7002_WRITE }, | ||
300 | { TVP7002_VBLK_F_0_DURATION, 0x2D, TVP7002_WRITE }, | ||
301 | { TVP7002_VBLK_F_1_DURATION, 0x00, TVP7002_WRITE }, | ||
302 | { TVP7002_ALC_PLACEMENT, 0x5a, TVP7002_WRITE }, | ||
303 | { TVP7002_CLAMP_START, 0x32, TVP7002_WRITE }, | ||
304 | { TVP7002_CLAMP_W, 0x20, TVP7002_WRITE }, | ||
305 | { TVP7002_HPLL_PRE_COAST, 0x00, TVP7002_WRITE }, | ||
306 | { TVP7002_HPLL_POST_COAST, 0x00, TVP7002_WRITE }, | ||
307 | { TVP7002_EOR, 0xff, TVP7002_RESERVED } | ||
308 | }; | ||
309 | |||
310 | /* Register parameters for 720P50 */ | ||
311 | static const struct i2c_reg_value tvp7002_parms_720P50[] = { | ||
312 | { TVP7002_HPLL_FDBK_DIV_MSBS, 0x7b, TVP7002_WRITE }, | ||
313 | { TVP7002_HPLL_FDBK_DIV_LSBS, 0x0c, TVP7002_WRITE }, | ||
314 | { TVP7002_HPLL_CRTL, 0x98, TVP7002_WRITE }, | ||
315 | { TVP7002_HPLL_PHASE_SEL, 0x16, TVP7002_WRITE }, | ||
316 | { TVP7002_AVID_START_PIXEL_LSBS, 0x47, TVP7002_WRITE }, | ||
317 | { TVP7002_AVID_START_PIXEL_MSBS, 0x01, TVP7002_WRITE }, | ||
318 | { TVP7002_AVID_STOP_PIXEL_LSBS, 0x4B, TVP7002_WRITE }, | ||
319 | { TVP7002_AVID_STOP_PIXEL_MSBS, 0x06, TVP7002_WRITE }, | ||
320 | { TVP7002_VBLK_F_0_START_L_OFF, 0x05, TVP7002_WRITE }, | ||
321 | { TVP7002_VBLK_F_1_START_L_OFF, 0x00, TVP7002_WRITE }, | ||
322 | { TVP7002_VBLK_F_0_DURATION, 0x2D, TVP7002_WRITE }, | ||
323 | { TVP7002_VBLK_F_1_DURATION, 0x00, TVP7002_WRITE }, | ||
324 | { TVP7002_ALC_PLACEMENT, 0x5a, TVP7002_WRITE }, | ||
325 | { TVP7002_CLAMP_START, 0x32, TVP7002_WRITE }, | ||
326 | { TVP7002_CLAMP_W, 0x20, TVP7002_WRITE }, | ||
327 | { TVP7002_HPLL_PRE_COAST, 0x01, TVP7002_WRITE }, | ||
328 | { TVP7002_HPLL_POST_COAST, 0x00, TVP7002_WRITE }, | ||
329 | { TVP7002_EOR, 0xff, TVP7002_RESERVED } | ||
330 | }; | ||
331 | |||
332 | /* Struct list for available formats */ | ||
333 | static const struct v4l2_fmtdesc tvp7002_fmt_list[] = { | ||
334 | { | ||
335 | .index = 0, | ||
336 | .type = V4L2_BUF_TYPE_VIDEO_CAPTURE, | ||
337 | .flags = 0, | ||
338 | .description = "8-bit UYVY 4:2:2 Format", | ||
339 | .pixelformat = V4L2_PIX_FMT_UYVY, | ||
340 | }, | ||
341 | }; | ||
342 | |||
343 | #define NUM_FORMATS ARRAY_SIZE(tvp7002_fmt_list) | ||
344 | |||
345 | /* Preset definition for handling device operation */ | ||
346 | struct tvp7002_preset_definition { | ||
347 | u32 preset; | ||
348 | const struct i2c_reg_value *p_settings; | ||
349 | enum v4l2_colorspace color_space; | ||
350 | enum v4l2_field scanmode; | ||
351 | u16 progressive; | ||
352 | u16 lines_per_frame; | ||
353 | u16 cpl_min; | ||
354 | u16 cpl_max; | ||
355 | }; | ||
356 | |||
357 | /* Struct list for digital video presets */ | ||
358 | static const struct tvp7002_preset_definition tvp7002_presets[] = { | ||
359 | { | ||
360 | V4L2_DV_720P60, | ||
361 | tvp7002_parms_720P60, | ||
362 | V4L2_COLORSPACE_REC709, | ||
363 | V4L2_FIELD_NONE, | ||
364 | 1, | ||
365 | 0x2EE, | ||
366 | 135, | ||
367 | 153 | ||
368 | }, | ||
369 | { | ||
370 | V4L2_DV_1080I60, | ||
371 | tvp7002_parms_1080I60, | ||
372 | V4L2_COLORSPACE_REC709, | ||
373 | V4L2_FIELD_INTERLACED, | ||
374 | 0, | ||
375 | 0x465, | ||
376 | 181, | ||
377 | 205 | ||
378 | }, | ||
379 | { | ||
380 | V4L2_DV_1080I50, | ||
381 | tvp7002_parms_1080I50, | ||
382 | V4L2_COLORSPACE_REC709, | ||
383 | V4L2_FIELD_INTERLACED, | ||
384 | 0, | ||
385 | 0x465, | ||
386 | 217, | ||
387 | 245 | ||
388 | }, | ||
389 | { | ||
390 | V4L2_DV_720P50, | ||
391 | tvp7002_parms_720P50, | ||
392 | V4L2_COLORSPACE_REC709, | ||
393 | V4L2_FIELD_NONE, | ||
394 | 1, | ||
395 | 0x2EE, | ||
396 | 163, | ||
397 | 183 | ||
398 | }, | ||
399 | { | ||
400 | V4L2_DV_1080P60, | ||
401 | tvp7002_parms_1080P60, | ||
402 | V4L2_COLORSPACE_REC709, | ||
403 | V4L2_FIELD_NONE, | ||
404 | 1, | ||
405 | 0x465, | ||
406 | 90, | ||
407 | 102 | ||
408 | }, | ||
409 | { | ||
410 | V4L2_DV_480P59_94, | ||
411 | tvp7002_parms_480P, | ||
412 | V4L2_COLORSPACE_SMPTE170M, | ||
413 | V4L2_FIELD_NONE, | ||
414 | 1, | ||
415 | 0x20D, | ||
416 | 0xffff, | ||
417 | 0xffff | ||
418 | }, | ||
419 | { | ||
420 | V4L2_DV_576P50, | ||
421 | tvp7002_parms_576P, | ||
422 | V4L2_COLORSPACE_SMPTE170M, | ||
423 | V4L2_FIELD_NONE, | ||
424 | 1, | ||
425 | 0x271, | ||
426 | 0xffff, | ||
427 | 0xffff | ||
428 | } | ||
429 | }; | ||
430 | |||
431 | #define NUM_PRESETS ARRAY_SIZE(tvp7002_presets) | ||
432 | |||
433 | /* Device definition */ | ||
434 | struct tvp7002 { | ||
435 | struct v4l2_subdev sd; | ||
436 | const struct tvp7002_config *pdata; | ||
437 | |||
438 | int ver; | ||
439 | int streaming; | ||
440 | |||
441 | struct v4l2_pix_format pix; | ||
442 | const struct tvp7002_preset_definition *current_preset; | ||
443 | u8 gain; | ||
444 | }; | ||
445 | |||
446 | /* | ||
447 | * to_tvp7002 - Obtain device handler TVP7002 | ||
448 | * @sd: ptr to v4l2_subdev struct | ||
449 | * | ||
450 | * Returns device handler tvp7002. | ||
451 | */ | ||
452 | static inline struct tvp7002 *to_tvp7002(struct v4l2_subdev *sd) | ||
453 | { | ||
454 | return container_of(sd, struct tvp7002, sd); | ||
455 | } | ||
456 | |||
457 | /* | ||
458 | * tvp7002_read - Read a value from a register in an TVP7002 | ||
459 | * @sd: ptr to v4l2_subdev struct | ||
460 | * @reg: TVP7002 register address | ||
461 | * @dst: pointer to 8-bit destination | ||
462 | * | ||
463 | * Returns value read if successful, or non-zero (-1) otherwise. | ||
464 | */ | ||
465 | static int tvp7002_read(struct v4l2_subdev *sd, u8 addr, u8 *dst) | ||
466 | { | ||
467 | struct i2c_client *c = v4l2_get_subdevdata(sd); | ||
468 | int retry; | ||
469 | int error; | ||
470 | |||
471 | for (retry = 0; retry < I2C_RETRY_COUNT; retry++) { | ||
472 | error = i2c_smbus_read_byte_data(c, addr); | ||
473 | |||
474 | if (error >= 0) { | ||
475 | *dst = (u8)error; | ||
476 | return 0; | ||
477 | } | ||
478 | |||
479 | msleep_interruptible(10); | ||
480 | } | ||
481 | v4l2_err(sd, "TVP7002 read error %d\n", error); | ||
482 | return error; | ||
483 | } | ||
484 | |||
485 | /* | ||
486 | * tvp7002_read_err() - Read a register value with error code | ||
487 | * @sd: pointer to standard V4L2 sub-device structure | ||
488 | * @reg: destination register | ||
489 | * @val: value to be read | ||
490 | * @error: pointer to error value | ||
491 | * | ||
492 | * Read a value in a register and save error value in pointer. | ||
493 | * Also update the register table if successful | ||
494 | */ | ||
495 | static inline void tvp7002_read_err(struct v4l2_subdev *sd, u8 reg, | ||
496 | u8 *dst, int *err) | ||
497 | { | ||
498 | if (!*err) | ||
499 | *err = tvp7002_read(sd, reg, dst); | ||
500 | } | ||
501 | |||
502 | /* | ||
503 | * tvp7002_write() - Write a value to a register in TVP7002 | ||
504 | * @sd: ptr to v4l2_subdev struct | ||
505 | * @addr: TVP7002 register address | ||
506 | * @value: value to be written to the register | ||
507 | * | ||
508 | * Write a value to a register in an TVP7002 decoder device. | ||
509 | * Returns zero if successful, or non-zero otherwise. | ||
510 | */ | ||
511 | static int tvp7002_write(struct v4l2_subdev *sd, u8 addr, u8 value) | ||
512 | { | ||
513 | struct i2c_client *c; | ||
514 | int retry; | ||
515 | int error; | ||
516 | |||
517 | c = v4l2_get_subdevdata(sd); | ||
518 | |||
519 | for (retry = 0; retry < I2C_RETRY_COUNT; retry++) { | ||
520 | error = i2c_smbus_write_byte_data(c, addr, value); | ||
521 | |||
522 | if (error >= 0) | ||
523 | return 0; | ||
524 | |||
525 | v4l2_warn(sd, "Write: retry ... %d\n", retry); | ||
526 | msleep_interruptible(10); | ||
527 | } | ||
528 | v4l2_err(sd, "TVP7002 write error %d\n", error); | ||
529 | return error; | ||
530 | } | ||
531 | |||
532 | /* | ||
533 | * tvp7002_write_err() - Write a register value with error code | ||
534 | * @sd: pointer to standard V4L2 sub-device structure | ||
535 | * @reg: destination register | ||
536 | * @val: value to be written | ||
537 | * @error: pointer to error value | ||
538 | * | ||
539 | * Write a value in a register and save error value in pointer. | ||
540 | * Also update the register table if successful | ||
541 | */ | ||
542 | static inline void tvp7002_write_err(struct v4l2_subdev *sd, u8 reg, | ||
543 | u8 val, int *err) | ||
544 | { | ||
545 | if (!*err) | ||
546 | *err = tvp7002_write(sd, reg, val); | ||
547 | } | ||
548 | |||
549 | /* | ||
550 | * tvp7002_g_chip_ident() - Get chip identification number | ||
551 | * @sd: ptr to v4l2_subdev struct | ||
552 | * @chip: ptr to v4l2_dbg_chip_ident struct | ||
553 | * | ||
554 | * Obtains the chip's identification number. | ||
555 | * Returns zero or -EINVAL if read operation fails. | ||
556 | */ | ||
557 | static int tvp7002_g_chip_ident(struct v4l2_subdev *sd, | ||
558 | struct v4l2_dbg_chip_ident *chip) | ||
559 | { | ||
560 | u8 rev; | ||
561 | int error; | ||
562 | struct i2c_client *client = v4l2_get_subdevdata(sd); | ||
563 | |||
564 | error = tvp7002_read(sd, TVP7002_CHIP_REV, &rev); | ||
565 | |||
566 | if (error < 0) | ||
567 | return error; | ||
568 | |||
569 | return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_TVP7002, rev); | ||
570 | } | ||
571 | |||
572 | /* | ||
573 | * tvp7002_write_inittab() - Write initialization values | ||
574 | * @sd: ptr to v4l2_subdev struct | ||
575 | * @regs: ptr to i2c_reg_value struct | ||
576 | * | ||
577 | * Write initialization values. | ||
578 | * Returns zero or -EINVAL if read operation fails. | ||
579 | */ | ||
580 | static int tvp7002_write_inittab(struct v4l2_subdev *sd, | ||
581 | const struct i2c_reg_value *regs) | ||
582 | { | ||
583 | int error = 0; | ||
584 | |||
585 | /* Initialize the first (defined) registers */ | ||
586 | while (TVP7002_EOR != regs->reg) { | ||
587 | if (TVP7002_WRITE == regs->type) | ||
588 | tvp7002_write_err(sd, regs->reg, regs->value, &error); | ||
589 | regs++; | ||
590 | } | ||
591 | |||
592 | return error; | ||
593 | } | ||
594 | |||
595 | /* | ||
596 | * tvp7002_s_dv_preset() - Set digital video preset | ||
597 | * @sd: ptr to v4l2_subdev struct | ||
598 | * @std: ptr to v4l2_dv_preset struct | ||
599 | * | ||
600 | * Set the digital video preset for a TVP7002 decoder device. | ||
601 | * Returns zero when successful or -EINVAL if register access fails. | ||
602 | */ | ||
603 | static int tvp7002_s_dv_preset(struct v4l2_subdev *sd, | ||
604 | struct v4l2_dv_preset *dv_preset) | ||
605 | { | ||
606 | struct tvp7002 *device = to_tvp7002(sd); | ||
607 | u32 preset; | ||
608 | int i; | ||
609 | |||
610 | for (i = 0; i < NUM_PRESETS; i++) { | ||
611 | preset = tvp7002_presets[i].preset; | ||
612 | if (preset == dv_preset->preset) { | ||
613 | device->current_preset = &tvp7002_presets[i]; | ||
614 | return tvp7002_write_inittab(sd, tvp7002_presets[i].p_settings); | ||
615 | } | ||
616 | } | ||
617 | |||
618 | return -EINVAL; | ||
619 | } | ||
620 | |||
621 | /* | ||
622 | * tvp7002_g_ctrl() - Get a control | ||
623 | * @sd: ptr to v4l2_subdev struct | ||
624 | * @ctrl: ptr to v4l2_control struct | ||
625 | * | ||
626 | * Get a control for a TVP7002 decoder device. | ||
627 | * Returns zero when successful or -EINVAL if register access fails. | ||
628 | */ | ||
629 | static int tvp7002_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) | ||
630 | { | ||
631 | struct tvp7002 *device = to_tvp7002(sd); | ||
632 | |||
633 | switch (ctrl->id) { | ||
634 | case V4L2_CID_GAIN: | ||
635 | ctrl->value = device->gain; | ||
636 | return 0; | ||
637 | default: | ||
638 | return -EINVAL; | ||
639 | } | ||
640 | } | ||
641 | |||
642 | /* | ||
643 | * tvp7002_s_ctrl() - Set a control | ||
644 | * @sd: ptr to v4l2_subdev struct | ||
645 | * @ctrl: ptr to v4l2_control struct | ||
646 | * | ||
647 | * Set a control in TVP7002 decoder device. | ||
648 | * Returns zero when successful or -EINVAL if register access fails. | ||
649 | */ | ||
650 | static int tvp7002_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) | ||
651 | { | ||
652 | struct tvp7002 *device = to_tvp7002(sd); | ||
653 | int error = 0; | ||
654 | |||
655 | switch (ctrl->id) { | ||
656 | case V4L2_CID_GAIN: | ||
657 | tvp7002_write_err(sd, TVP7002_R_FINE_GAIN, | ||
658 | ctrl->value & 0xff, &error); | ||
659 | tvp7002_write_err(sd, TVP7002_G_FINE_GAIN, | ||
660 | ctrl->value & 0xff, &error); | ||
661 | tvp7002_write_err(sd, TVP7002_B_FINE_GAIN, | ||
662 | ctrl->value & 0xff, &error); | ||
663 | |||
664 | if (error < 0) | ||
665 | return error; | ||
666 | |||
667 | /* Set only after knowing there is no error */ | ||
668 | device->gain = ctrl->value & 0xff; | ||
669 | return 0; | ||
670 | default: | ||
671 | return -EINVAL; | ||
672 | } | ||
673 | } | ||
674 | |||
675 | /* | ||
676 | * tvp7002_queryctrl() - Query a control | ||
677 | * @sd: ptr to v4l2_subdev struct | ||
678 | * @ctrl: ptr to v4l2_queryctrl struct | ||
679 | * | ||
680 | * Query a control of a TVP7002 decoder device. | ||
681 | * Returns zero when successful or -EINVAL if register read fails. | ||
682 | */ | ||
683 | static int tvp7002_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc) | ||
684 | { | ||
685 | switch (qc->id) { | ||
686 | case V4L2_CID_GAIN: | ||
687 | /* | ||
688 | * Gain is supported [0-255, default=0, step=1] | ||
689 | */ | ||
690 | return v4l2_ctrl_query_fill(qc, 0, 255, 1, 0); | ||
691 | default: | ||
692 | return -EINVAL; | ||
693 | } | ||
694 | } | ||
695 | |||
696 | /* | ||
697 | * tvp7002_try_fmt_cap() - V4L2 decoder interface handler for try_fmt | ||
698 | * @sd: pointer to standard V4L2 sub-device structure | ||
699 | * @f: pointer to standard V4L2 VIDIOC_TRY_FMT ioctl structure | ||
700 | * | ||
701 | * Implement the VIDIOC_TRY_FMT ioctl for the CAPTURE buffer type. This | ||
702 | * ioctl is used to negotiate the image capture size and pixel format | ||
703 | * without actually making it take effect. | ||
704 | */ | ||
705 | static int tvp7002_try_fmt_cap(struct v4l2_subdev *sd, struct v4l2_format *f) | ||
706 | { | ||
707 | struct tvp7002 *device = to_tvp7002(sd); | ||
708 | struct v4l2_dv_enum_preset e_preset; | ||
709 | struct v4l2_pix_format *pix; | ||
710 | int error = 0; | ||
711 | |||
712 | pix = &f->fmt.pix; | ||
713 | |||
714 | /* Calculate height and width based on current standard */ | ||
715 | error = v4l_fill_dv_preset_info(device->current_preset->preset, &e_preset); | ||
716 | if (error) | ||
717 | return -EINVAL; | ||
718 | |||
719 | pix->width = e_preset.width; | ||
720 | pix->height = e_preset.height; | ||
721 | pix->pixelformat = V4L2_PIX_FMT_UYVY; | ||
722 | pix->field = device->current_preset->scanmode; | ||
723 | pix->bytesperline = pix->width * 2; | ||
724 | pix->sizeimage = pix->bytesperline * pix->height; | ||
725 | pix->colorspace = device->current_preset->color_space; | ||
726 | pix->priv = 0; | ||
727 | |||
728 | v4l2_dbg(1, debug, sd, "Try FMT: pixelformat - %s, bytesperline - %d" | ||
729 | "Width - %d, Height - %d", "8-bit UYVY 4:2:2 Format", | ||
730 | pix->bytesperline, pix->width, pix->height); | ||
731 | return error; | ||
732 | } | ||
733 | |||
734 | /* | ||
735 | * tvp7002_s_fmt() - V4L2 decoder interface handler for s_fmt | ||
736 | * @sd: pointer to standard V4L2 sub-device structure | ||
737 | * @f: pointer to standard V4L2 VIDIOC_S_FMT ioctl structure | ||
738 | * | ||
739 | * If the requested format is supported, configures the HW to use that | ||
740 | * format, returns error code if format not supported or HW can't be | ||
741 | * correctly configured. | ||
742 | */ | ||
743 | static int tvp7002_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *f) | ||
744 | { | ||
745 | struct tvp7002 *decoder = to_tvp7002(sd); | ||
746 | int rval; | ||
747 | |||
748 | rval = tvp7002_try_fmt_cap(sd, f); | ||
749 | if (!rval) | ||
750 | decoder->pix = f->fmt.pix; | ||
751 | return rval; | ||
752 | } | ||
753 | |||
754 | /* | ||
755 | * tvp7002_g_fmt() - V4L2 decoder interface handler for tvp7002_g_fmt | ||
756 | * @sd: pointer to standard V4L2 sub-device structure | ||
757 | * @f: pointer to standard V4L2 v4l2_format structure | ||
758 | * | ||
759 | * Returns the decoder's current pixel format in the v4l2_format | ||
760 | * parameter. | ||
761 | */ | ||
762 | static int tvp7002_g_fmt(struct v4l2_subdev *sd, struct v4l2_format *f) | ||
763 | { | ||
764 | struct tvp7002 *decoder = to_tvp7002(sd); | ||
765 | |||
766 | f->fmt.pix = decoder->pix; | ||
767 | |||
768 | v4l2_dbg(1, debug, sd, "Current FMT: bytesperline - %d" | ||
769 | "Width - %d, Height - %d", | ||
770 | decoder->pix.bytesperline, | ||
771 | decoder->pix.width, decoder->pix.height); | ||
772 | return 0; | ||
773 | } | ||
774 | |||
775 | /* | ||
776 | * tvp7002_query_dv_preset() - query DV preset | ||
777 | * @sd: pointer to standard V4L2 sub-device structure | ||
778 | * @std_id: standard V4L2 v4l2_dv_preset | ||
779 | * | ||
780 | * Returns the current DV preset by TVP7002. If no active input is | ||
781 | * detected, returns -EINVAL | ||
782 | */ | ||
783 | static int tvp7002_query_dv_preset(struct v4l2_subdev *sd, | ||
784 | struct v4l2_dv_preset *qpreset) | ||
785 | { | ||
786 | const struct tvp7002_preset_definition *presets = tvp7002_presets; | ||
787 | struct v4l2_dv_enum_preset e_preset; | ||
788 | struct tvp7002 *device; | ||
789 | u8 progressive; | ||
790 | u32 lpfr; | ||
791 | u32 cpln; | ||
792 | int error = 0; | ||
793 | u8 lpf_lsb; | ||
794 | u8 lpf_msb; | ||
795 | u8 cpl_lsb; | ||
796 | u8 cpl_msb; | ||
797 | int index; | ||
798 | |||
799 | device = to_tvp7002(sd); | ||
800 | |||
801 | /* Read standards from device registers */ | ||
802 | tvp7002_read_err(sd, TVP7002_L_FRAME_STAT_LSBS, &lpf_lsb, &error); | ||
803 | tvp7002_read_err(sd, TVP7002_L_FRAME_STAT_MSBS, &lpf_msb, &error); | ||
804 | |||
805 | if (error < 0) | ||
806 | return error; | ||
807 | |||
808 | tvp7002_read_err(sd, TVP7002_CLK_L_STAT_LSBS, &cpl_lsb, &error); | ||
809 | tvp7002_read_err(sd, TVP7002_CLK_L_STAT_MSBS, &cpl_msb, &error); | ||
810 | |||
811 | if (error < 0) | ||
812 | return error; | ||
813 | |||
814 | /* Get lines per frame, clocks per line and interlaced/progresive */ | ||
815 | lpfr = lpf_lsb | ((TVP7002_CL_MASK & lpf_msb) << TVP7002_CL_SHIFT); | ||
816 | cpln = cpl_lsb | ((TVP7002_CL_MASK & cpl_msb) << TVP7002_CL_SHIFT); | ||
817 | progressive = (lpf_msb & TVP7002_INPR_MASK) >> TVP7002_IP_SHIFT; | ||
818 | |||
819 | /* Do checking of video modes */ | ||
820 | for (index = 0; index < NUM_PRESETS; index++, presets++) | ||
821 | if (lpfr == presets->lines_per_frame && | ||
822 | progressive == presets->progressive) { | ||
823 | if (presets->cpl_min == 0xffff) | ||
824 | break; | ||
825 | if (cpln >= presets->cpl_min && cpln <= presets->cpl_max) | ||
826 | break; | ||
827 | } | ||
828 | |||
829 | if (index == NUM_PRESETS) { | ||
830 | v4l2_err(sd, "querystd error, lpf = %x, cpl = %x\n", | ||
831 | lpfr, cpln); | ||
832 | return -EINVAL; | ||
833 | } | ||
834 | |||
835 | if (v4l_fill_dv_preset_info(presets->preset, &e_preset)) | ||
836 | return -EINVAL; | ||
837 | |||
838 | /* Set values in found preset */ | ||
839 | qpreset->preset = presets->preset; | ||
840 | |||
841 | /* Update lines per frame and clocks per line info */ | ||
842 | v4l2_dbg(1, debug, sd, "Current preset: %d %d", | ||
843 | e_preset.width, e_preset.height); | ||
844 | return 0; | ||
845 | } | ||
846 | |||
847 | #ifdef CONFIG_VIDEO_ADV_DEBUG | ||
848 | /* | ||
849 | * tvp7002_g_register() - Get the value of a register | ||
850 | * @sd: ptr to v4l2_subdev struct | ||
851 | * @vreg: ptr to v4l2_dbg_register struct | ||
852 | * | ||
853 | * Get the value of a TVP7002 decoder device register. | ||
854 | * Returns zero when successful, -EINVAL if register read fails or | ||
855 | * access to I2C client fails, -EPERM if the call is not allowed | ||
856 | * by diabled CAP_SYS_ADMIN. | ||
857 | */ | ||
858 | static int tvp7002_g_register(struct v4l2_subdev *sd, | ||
859 | struct v4l2_dbg_register *reg) | ||
860 | { | ||
861 | struct i2c_client *client = v4l2_get_subdevdata(sd); | ||
862 | u8 val; | ||
863 | int ret; | ||
864 | |||
865 | if (!v4l2_chip_match_i2c_client(client, ®->match)) | ||
866 | return -EINVAL; | ||
867 | if (!capable(CAP_SYS_ADMIN)) | ||
868 | return -EPERM; | ||
869 | |||
870 | ret = tvp7002_read(sd, reg->reg & 0xff, &val); | ||
871 | reg->val = val; | ||
872 | return ret; | ||
873 | } | ||
874 | |||
875 | /* | ||
876 | * tvp7002_s_register() - set a control | ||
877 | * @sd: ptr to v4l2_subdev struct | ||
878 | * @ctrl: ptr to v4l2_control struct | ||
879 | * | ||
880 | * Get the value of a TVP7002 decoder device register. | ||
881 | * Returns zero when successful, -EINVAL if register read fails or | ||
882 | * -EPERM if call not allowed. | ||
883 | */ | ||
884 | static int tvp7002_s_register(struct v4l2_subdev *sd, | ||
885 | struct v4l2_dbg_register *reg) | ||
886 | { | ||
887 | struct i2c_client *client = v4l2_get_subdevdata(sd); | ||
888 | |||
889 | if (!v4l2_chip_match_i2c_client(client, ®->match)) | ||
890 | return -EINVAL; | ||
891 | if (!capable(CAP_SYS_ADMIN)) | ||
892 | return -EPERM; | ||
893 | |||
894 | return tvp7002_write(sd, reg->reg & 0xff, reg->val & 0xff); | ||
895 | } | ||
896 | #endif | ||
897 | |||
898 | /* | ||
899 | * tvp7002_enum_fmt() - Enum supported formats | ||
900 | * @sd: pointer to standard V4L2 sub-device structure | ||
901 | * @enable: pointer to format struct | ||
902 | * | ||
903 | * Enumerate supported formats. | ||
904 | */ | ||
905 | |||
906 | static int tvp7002_enum_fmt(struct v4l2_subdev *sd, | ||
907 | struct v4l2_fmtdesc *fmtdesc) | ||
908 | { | ||
909 | /* Check requested format index is within range */ | ||
910 | if (fmtdesc->index < 0 || fmtdesc->index >= NUM_FORMATS) | ||
911 | return -EINVAL; | ||
912 | *fmtdesc = tvp7002_fmt_list[fmtdesc->index]; | ||
913 | |||
914 | return 0; | ||
915 | } | ||
916 | |||
917 | /* | ||
918 | * tvp7002_s_stream() - V4L2 decoder i/f handler for s_stream | ||
919 | * @sd: pointer to standard V4L2 sub-device structure | ||
920 | * @enable: streaming enable or disable | ||
921 | * | ||
922 | * Sets streaming to enable or disable, if possible. | ||
923 | */ | ||
924 | static int tvp7002_s_stream(struct v4l2_subdev *sd, int enable) | ||
925 | { | ||
926 | struct tvp7002 *device = to_tvp7002(sd); | ||
927 | int error = 0; | ||
928 | |||
929 | if (device->streaming == enable) | ||
930 | return 0; | ||
931 | |||
932 | if (enable) { | ||
933 | /* Set output state on (low impedance means stream on) */ | ||
934 | error = tvp7002_write(sd, TVP7002_MISC_CTL_2, 0x00); | ||
935 | device->streaming = enable; | ||
936 | } else { | ||
937 | /* Set output state off (high impedance means stream off) */ | ||
938 | error = tvp7002_write(sd, TVP7002_MISC_CTL_2, 0x03); | ||
939 | if (error) | ||
940 | v4l2_dbg(1, debug, sd, "Unable to stop streaming\n"); | ||
941 | |||
942 | device->streaming = enable; | ||
943 | } | ||
944 | |||
945 | return error; | ||
946 | } | ||
947 | |||
948 | /* | ||
949 | * tvp7002_log_status() - Print information about register settings | ||
950 | * @sd: ptr to v4l2_subdev struct | ||
951 | * | ||
952 | * Log register values of a TVP7002 decoder device. | ||
953 | * Returns zero or -EINVAL if read operation fails. | ||
954 | */ | ||
955 | static int tvp7002_log_status(struct v4l2_subdev *sd) | ||
956 | { | ||
957 | const struct tvp7002_preset_definition *presets = tvp7002_presets; | ||
958 | struct tvp7002 *device = to_tvp7002(sd); | ||
959 | struct v4l2_dv_enum_preset e_preset; | ||
960 | struct v4l2_dv_preset detected; | ||
961 | int i; | ||
962 | |||
963 | detected.preset = V4L2_DV_INVALID; | ||
964 | /* Find my current standard*/ | ||
965 | tvp7002_query_dv_preset(sd, &detected); | ||
966 | |||
967 | /* Print standard related code values */ | ||
968 | for (i = 0; i < NUM_PRESETS; i++, presets++) | ||
969 | if (presets->preset == detected.preset) | ||
970 | break; | ||
971 | |||
972 | if (v4l_fill_dv_preset_info(device->current_preset->preset, &e_preset)) | ||
973 | return -EINVAL; | ||
974 | |||
975 | v4l2_info(sd, "Selected DV Preset: %s\n", e_preset.name); | ||
976 | v4l2_info(sd, " Pixels per line: %u\n", e_preset.width); | ||
977 | v4l2_info(sd, " Lines per frame: %u\n\n", e_preset.height); | ||
978 | if (i == NUM_PRESETS) { | ||
979 | v4l2_info(sd, "Detected DV Preset: None\n"); | ||
980 | } else { | ||
981 | if (v4l_fill_dv_preset_info(presets->preset, &e_preset)) | ||
982 | return -EINVAL; | ||
983 | v4l2_info(sd, "Detected DV Preset: %s\n", e_preset.name); | ||
984 | v4l2_info(sd, " Pixels per line: %u\n", e_preset.width); | ||
985 | v4l2_info(sd, " Lines per frame: %u\n\n", e_preset.height); | ||
986 | } | ||
987 | v4l2_info(sd, "Streaming enabled: %s\n", | ||
988 | device->streaming ? "yes" : "no"); | ||
989 | |||
990 | /* Print the current value of the gain control */ | ||
991 | v4l2_info(sd, "Gain: %u\n", device->gain); | ||
992 | |||
993 | return 0; | ||
994 | } | ||
995 | |||
996 | /* V4L2 core operation handlers */ | ||
997 | static const struct v4l2_subdev_core_ops tvp7002_core_ops = { | ||
998 | .g_chip_ident = tvp7002_g_chip_ident, | ||
999 | .log_status = tvp7002_log_status, | ||
1000 | .g_ctrl = tvp7002_g_ctrl, | ||
1001 | .s_ctrl = tvp7002_s_ctrl, | ||
1002 | .queryctrl = tvp7002_queryctrl, | ||
1003 | #ifdef CONFIG_VIDEO_ADV_DEBUG | ||
1004 | .g_register = tvp7002_g_register, | ||
1005 | .s_register = tvp7002_s_register, | ||
1006 | #endif | ||
1007 | }; | ||
1008 | |||
1009 | /* Specific video subsystem operation handlers */ | ||
1010 | static const struct v4l2_subdev_video_ops tvp7002_video_ops = { | ||
1011 | .s_dv_preset = tvp7002_s_dv_preset, | ||
1012 | .query_dv_preset = tvp7002_query_dv_preset, | ||
1013 | .s_stream = tvp7002_s_stream, | ||
1014 | .g_fmt = tvp7002_g_fmt, | ||
1015 | .s_fmt = tvp7002_s_fmt, | ||
1016 | .enum_fmt = tvp7002_enum_fmt, | ||
1017 | }; | ||
1018 | |||
1019 | /* V4L2 top level operation handlers */ | ||
1020 | static const struct v4l2_subdev_ops tvp7002_ops = { | ||
1021 | .core = &tvp7002_core_ops, | ||
1022 | .video = &tvp7002_video_ops, | ||
1023 | }; | ||
1024 | |||
1025 | static struct tvp7002 tvp7002_dev = { | ||
1026 | .streaming = 0, | ||
1027 | |||
1028 | .pix = { | ||
1029 | .width = 1280, | ||
1030 | .height = 720, | ||
1031 | .pixelformat = V4L2_PIX_FMT_UYVY, | ||
1032 | .field = V4L2_FIELD_NONE, | ||
1033 | .bytesperline = 1280 * 2, | ||
1034 | .sizeimage = 1280 * 2 * 720, | ||
1035 | .colorspace = V4L2_COLORSPACE_REC709, | ||
1036 | }, | ||
1037 | |||
1038 | .current_preset = tvp7002_presets, | ||
1039 | .gain = 0, | ||
1040 | }; | ||
1041 | |||
1042 | /* | ||
1043 | * tvp7002_probe - Probe a TVP7002 device | ||
1044 | * @sd: ptr to v4l2_subdev struct | ||
1045 | * @ctrl: ptr to i2c_device_id struct | ||
1046 | * | ||
1047 | * Initialize the TVP7002 device | ||
1048 | * Returns zero when successful, -EINVAL if register read fails or | ||
1049 | * -EIO if i2c access is not available. | ||
1050 | */ | ||
1051 | static int tvp7002_probe(struct i2c_client *c, const struct i2c_device_id *id) | ||
1052 | { | ||
1053 | struct v4l2_subdev *sd; | ||
1054 | struct tvp7002 *device; | ||
1055 | struct v4l2_dv_preset preset; | ||
1056 | int polarity_a; | ||
1057 | int polarity_b; | ||
1058 | u8 revision; | ||
1059 | |||
1060 | int error; | ||
1061 | |||
1062 | /* Check if the adapter supports the needed features */ | ||
1063 | if (!i2c_check_functionality(c->adapter, | ||
1064 | I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) | ||
1065 | return -EIO; | ||
1066 | |||
1067 | if (!c->dev.platform_data) { | ||
1068 | v4l_err(c, "No platform data!!\n"); | ||
1069 | return -ENODEV; | ||
1070 | } | ||
1071 | |||
1072 | device = kmalloc(sizeof(struct tvp7002), GFP_KERNEL); | ||
1073 | |||
1074 | if (!device) | ||
1075 | return -ENOMEM; | ||
1076 | |||
1077 | *device = tvp7002_dev; | ||
1078 | sd = &device->sd; | ||
1079 | device->pdata = c->dev.platform_data; | ||
1080 | |||
1081 | /* Tell v4l2 the device is ready */ | ||
1082 | v4l2_i2c_subdev_init(sd, c, &tvp7002_ops); | ||
1083 | v4l_info(c, "tvp7002 found @ 0x%02x (%s)\n", | ||
1084 | c->addr, c->adapter->name); | ||
1085 | |||
1086 | error = tvp7002_read(sd, TVP7002_CHIP_REV, &revision); | ||
1087 | if (error < 0) | ||
1088 | goto found_error; | ||
1089 | |||
1090 | /* Get revision number */ | ||
1091 | v4l2_info(sd, "Rev. %02x detected.\n", revision); | ||
1092 | if (revision != 0x02) | ||
1093 | v4l2_info(sd, "Unknown revision detected.\n"); | ||
1094 | |||
1095 | /* Initializes TVP7002 to its default values */ | ||
1096 | error = tvp7002_write_inittab(sd, tvp7002_init_default); | ||
1097 | |||
1098 | if (error < 0) | ||
1099 | goto found_error; | ||
1100 | |||
1101 | /* Set polarity information after registers have been set */ | ||
1102 | polarity_a = 0x20 | device->pdata->hs_polarity << 5 | ||
1103 | | device->pdata->vs_polarity << 2; | ||
1104 | error = tvp7002_write(sd, TVP7002_SYNC_CTL_1, polarity_a); | ||
1105 | if (error < 0) | ||
1106 | goto found_error; | ||
1107 | |||
1108 | polarity_b = 0x01 | device->pdata->fid_polarity << 2 | ||
1109 | | device->pdata->sog_polarity << 1 | ||
1110 | | device->pdata->clk_polarity; | ||
1111 | error = tvp7002_write(sd, TVP7002_MISC_CTL_3, polarity_b); | ||
1112 | if (error < 0) | ||
1113 | goto found_error; | ||
1114 | |||
1115 | /* Set registers according to default video mode */ | ||
1116 | preset.preset = device->current_preset->preset; | ||
1117 | error = tvp7002_s_dv_preset(sd, &preset); | ||
1118 | |||
1119 | found_error: | ||
1120 | if (error < 0) | ||
1121 | kfree(device); | ||
1122 | |||
1123 | return error; | ||
1124 | } | ||
1125 | |||
1126 | /* | ||
1127 | * tvp7002_remove - Remove TVP7002 device support | ||
1128 | * @c: ptr to i2c_client struct | ||
1129 | * | ||
1130 | * Reset the TVP7002 device | ||
1131 | * Returns zero. | ||
1132 | */ | ||
1133 | static int tvp7002_remove(struct i2c_client *c) | ||
1134 | { | ||
1135 | struct v4l2_subdev *sd = i2c_get_clientdata(c); | ||
1136 | struct tvp7002 *device = to_tvp7002(sd); | ||
1137 | |||
1138 | v4l2_dbg(1, debug, sd, "Removing tvp7002 adapter" | ||
1139 | "on address 0x%x\n", c->addr); | ||
1140 | |||
1141 | v4l2_device_unregister_subdev(sd); | ||
1142 | kfree(device); | ||
1143 | return 0; | ||
1144 | } | ||
1145 | |||
1146 | /* I2C Device ID table */ | ||
1147 | static const struct i2c_device_id tvp7002_id[] = { | ||
1148 | { "tvp7002", 0 }, | ||
1149 | { } | ||
1150 | }; | ||
1151 | MODULE_DEVICE_TABLE(i2c, tvp7002_id); | ||
1152 | |||
1153 | /* I2C driver data */ | ||
1154 | static struct i2c_driver tvp7002_driver = { | ||
1155 | .driver = { | ||
1156 | .owner = THIS_MODULE, | ||
1157 | .name = TVP7002_MODULE_NAME, | ||
1158 | }, | ||
1159 | .probe = tvp7002_probe, | ||
1160 | .remove = tvp7002_remove, | ||
1161 | .id_table = tvp7002_id, | ||
1162 | }; | ||
1163 | |||
1164 | /* | ||
1165 | * tvp7002_init - Initialize driver via I2C interface | ||
1166 | * | ||
1167 | * Register the TVP7002 driver. | ||
1168 | * Return 0 on success or error code on failure. | ||
1169 | */ | ||
1170 | static int __init tvp7002_init(void) | ||
1171 | { | ||
1172 | return i2c_add_driver(&tvp7002_driver); | ||
1173 | } | ||
1174 | |||
1175 | /* | ||
1176 | * tvp7002_exit - Remove driver via I2C interface | ||
1177 | * | ||
1178 | * Unregister the TVP7002 driver. | ||
1179 | * Returns nothing. | ||
1180 | */ | ||
1181 | static void __exit tvp7002_exit(void) | ||
1182 | { | ||
1183 | i2c_del_driver(&tvp7002_driver); | ||
1184 | } | ||
1185 | |||
1186 | module_init(tvp7002_init); | ||
1187 | module_exit(tvp7002_exit); | ||