diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/media/video/Kconfig | 37 | ||||
-rw-r--r-- | drivers/media/video/Makefile | 2 | ||||
-rw-r--r-- | drivers/media/video/upd64031a.c | 287 | ||||
-rw-r--r-- | drivers/media/video/upd64083.c | 262 |
4 files changed, 581 insertions, 7 deletions
diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index e19c403c3214..fb5be2606203 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig | |||
@@ -300,7 +300,7 @@ config VIDEO_OVCAMCHIP | |||
300 | camera drivers. | 300 | camera drivers. |
301 | 301 | ||
302 | To compile this driver as a module, choose M here: the | 302 | To compile this driver as a module, choose M here: the |
303 | module will be called ovcamchip | 303 | module will be called ovcamchip. |
304 | 304 | ||
305 | config VIDEO_M32R_AR | 305 | config VIDEO_M32R_AR |
306 | tristate "AR devices" | 306 | tristate "AR devices" |
@@ -330,7 +330,7 @@ config VIDEO_MSP3400 | |||
330 | Support for the Micronas MSP34xx series of audio decoders. | 330 | Support for the Micronas MSP34xx series of audio decoders. |
331 | 331 | ||
332 | To compile this driver as a module, choose M here: the | 332 | To compile this driver as a module, choose M here: the |
333 | module will be called msp3400 | 333 | module will be called msp3400. |
334 | 334 | ||
335 | config VIDEO_CS53L32A | 335 | config VIDEO_CS53L32A |
336 | tristate "Cirrus Logic CS53L32A audio ADC" | 336 | tristate "Cirrus Logic CS53L32A audio ADC" |
@@ -340,7 +340,7 @@ config VIDEO_CS53L32A | |||
340 | stereo A/D converter. | 340 | stereo A/D converter. |
341 | 341 | ||
342 | To compile this driver as a module, choose M here: the | 342 | To compile this driver as a module, choose M here: the |
343 | module will be called cs53l32a | 343 | module will be called cs53l32a. |
344 | 344 | ||
345 | config VIDEO_WM8775 | 345 | config VIDEO_WM8775 |
346 | tristate "Wolfson Microelectronics WM8775 audio ADC with input mixer" | 346 | tristate "Wolfson Microelectronics WM8775 audio ADC with input mixer" |
@@ -350,7 +350,7 @@ config VIDEO_WM8775 | |||
350 | performance stereo A/D Converter with a 4 channel input mixer. | 350 | performance stereo A/D Converter with a 4 channel input mixer. |
351 | 351 | ||
352 | To compile this driver as a module, choose M here: the | 352 | To compile this driver as a module, choose M here: the |
353 | module will be called wm8775 | 353 | module will be called wm8775. |
354 | 354 | ||
355 | config VIDEO_WM8739 | 355 | config VIDEO_WM8739 |
356 | tristate "Wolfson Microelectronics WM8739 stereo audio ADC" | 356 | tristate "Wolfson Microelectronics WM8739 stereo audio ADC" |
@@ -360,7 +360,7 @@ config VIDEO_WM8739 | |||
360 | stereo A/D Converter. | 360 | stereo A/D Converter. |
361 | 361 | ||
362 | To compile this driver as a module, choose M here: the | 362 | To compile this driver as a module, choose M here: the |
363 | module will be called wm8739 | 363 | module will be called wm8739. |
364 | 364 | ||
365 | source "drivers/media/video/cx25840/Kconfig" | 365 | source "drivers/media/video/cx25840/Kconfig" |
366 | 366 | ||
@@ -371,7 +371,7 @@ config VIDEO_SAA711X | |||
371 | Support for the Philips SAA7113/4/5 video decoders. | 371 | Support for the Philips SAA7113/4/5 video decoders. |
372 | 372 | ||
373 | To compile this driver as a module, choose M here: the | 373 | To compile this driver as a module, choose M here: the |
374 | module will be called saa7115 | 374 | module will be called saa7115. |
375 | 375 | ||
376 | config VIDEO_SAA7127 | 376 | config VIDEO_SAA7127 |
377 | tristate "Philips SAA7127/9 digital video encoders" | 377 | tristate "Philips SAA7127/9 digital video encoders" |
@@ -380,7 +380,30 @@ config VIDEO_SAA7127 | |||
380 | Support for the Philips SAA7127/9 digital video encoders. | 380 | Support for the Philips SAA7127/9 digital video encoders. |
381 | 381 | ||
382 | To compile this driver as a module, choose M here: the | 382 | To compile this driver as a module, choose M here: the |
383 | module will be called saa7127 | 383 | module will be called saa7127. |
384 | |||
385 | config VIDEO_UPD64031A | ||
386 | tristate "NEC Electronics uPD64031A Ghost Reduction" | ||
387 | depends on VIDEO_DEV && I2C && EXPERIMENTAL | ||
388 | ---help--- | ||
389 | Support for the NEC Electronics uPD64031A Ghost Reduction | ||
390 | video chip. It is most often found in NTSC TV cards made for | ||
391 | Japan and is used to reduce the 'ghosting' effect that can | ||
392 | be present in analog TV broadcasts. | ||
393 | |||
394 | To compile this driver as a module, choose M here: the | ||
395 | module will be called upd64031a. | ||
396 | |||
397 | config VIDEO_UPD64083 | ||
398 | tristate "NEC Electronics uPD64083 3-Dimensional Y/C separation" | ||
399 | depends on VIDEO_DEV && I2C && EXPERIMENTAL | ||
400 | ---help--- | ||
401 | Support for the NEC Electronics uPD64083 3-Dimensional Y/C | ||
402 | separation video chip. It is used to improve the quality of | ||
403 | the colors of a composite signal. | ||
404 | |||
405 | To compile this driver as a module, choose M here: the | ||
406 | module will be called upd64083. | ||
384 | 407 | ||
385 | endmenu # encoder / decoder chips | 408 | endmenu # encoder / decoder chips |
386 | 409 | ||
diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile index 6cb296541706..4092a5e37ffc 100644 --- a/drivers/media/video/Makefile +++ b/drivers/media/video/Makefile | |||
@@ -65,6 +65,8 @@ obj-$(CONFIG_VIDEO_M32R_AR_M64278) += arv.o | |||
65 | obj-$(CONFIG_VIDEO_CX25840) += cx25840/ | 65 | obj-$(CONFIG_VIDEO_CX25840) += cx25840/ |
66 | obj-$(CONFIG_VIDEO_SAA711X) += saa7115.o | 66 | obj-$(CONFIG_VIDEO_SAA711X) += saa7115.o |
67 | obj-$(CONFIG_VIDEO_SAA7127) += saa7127.o | 67 | obj-$(CONFIG_VIDEO_SAA7127) += saa7127.o |
68 | obj-$(CONFIG_VIDEO_UPD64031A) += upd64031a.o | ||
69 | obj-$(CONFIG_VIDEO_UPD64083) += upd64083.o | ||
68 | 70 | ||
69 | obj-$(CONFIG_USB_DABUSB) += dabusb.o | 71 | obj-$(CONFIG_USB_DABUSB) += dabusb.o |
70 | obj-$(CONFIG_USB_DSBR) += dsbr100.o | 72 | obj-$(CONFIG_USB_DSBR) += dsbr100.o |
diff --git a/drivers/media/video/upd64031a.c b/drivers/media/video/upd64031a.c new file mode 100644 index 000000000000..bab5beadc6ae --- /dev/null +++ b/drivers/media/video/upd64031a.c | |||
@@ -0,0 +1,287 @@ | |||
1 | /* | ||
2 | * upd64031A - NEC Electronics Ghost Reduction for NTSC in Japan | ||
3 | * | ||
4 | * 2003 by T.Adachi <tadachi@tadachi-net.com> | ||
5 | * 2003 by Takeru KOMORIYA <komoriya@paken.org> | ||
6 | * 2006 by Hans Verkuil <hverkuil@xs4all.nl> | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or modify | ||
9 | * it under the terms of the GNU General Public License as published by | ||
10 | * the Free Software Foundation; either version 2 of the License, or | ||
11 | * (at your option) any later version. | ||
12 | * | ||
13 | * This program is distributed in the hope that it will be useful, | ||
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
16 | * GNU General Public License for more details. | ||
17 | * | ||
18 | * You should have received a copy of the GNU General Public License | ||
19 | * along with this program; if not, write to the Free Software | ||
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
21 | */ | ||
22 | |||
23 | |||
24 | #include <linux/version.h> | ||
25 | #include <linux/module.h> | ||
26 | #include <linux/kernel.h> | ||
27 | #include <linux/i2c.h> | ||
28 | #include <linux/videodev2.h> | ||
29 | #include <media/v4l2-common.h> | ||
30 | #include <media/upd64031a.h> | ||
31 | |||
32 | // --------------------- read registers functions define ----------------------- | ||
33 | |||
34 | /* bit masks */ | ||
35 | #define GR_MODE_MASK 0xc0 | ||
36 | #define DIRECT_3DYCS_CONNECT_MASK 0xc0 | ||
37 | #define SYNC_CIRCUIT_MASK 0xa0 | ||
38 | |||
39 | // ----------------------------------------------------------------------------- | ||
40 | |||
41 | MODULE_DESCRIPTION("uPD64031A driver"); | ||
42 | MODULE_AUTHOR("T. Adachi, Takeru KOMORIYA, Hans Verkuil"); | ||
43 | MODULE_LICENSE("GPL"); | ||
44 | |||
45 | static int debug = 0; | ||
46 | module_param(debug, int, 0644); | ||
47 | |||
48 | MODULE_PARM_DESC(debug, "Debug level (0-1)"); | ||
49 | |||
50 | static unsigned short normal_i2c[] = { 0x24 >> 1, 0x26 >> 1, I2C_CLIENT_END }; | ||
51 | |||
52 | |||
53 | I2C_CLIENT_INSMOD; | ||
54 | |||
55 | enum { | ||
56 | R00 = 0, R01, R02, R03, R04, | ||
57 | R05, R06, R07, R08, R09, | ||
58 | R0A, R0B, R0C, R0D, R0E, R0F, | ||
59 | /* unused registers | ||
60 | R10, R11, R12, R13, R14, | ||
61 | R15, R16, R17, | ||
62 | */ | ||
63 | TOT_REGS | ||
64 | }; | ||
65 | |||
66 | struct upd64031a_state { | ||
67 | u8 regs[TOT_REGS]; | ||
68 | u8 gr_mode; | ||
69 | u8 direct_3dycs_connect; | ||
70 | u8 ext_comp_sync; | ||
71 | u8 ext_vert_sync; | ||
72 | }; | ||
73 | |||
74 | static u8 upd64031a_init[] = { | ||
75 | 0x00, 0xb8, 0x48, 0xd2, 0xe6, | ||
76 | 0x03, 0x10, 0x0b, 0xaf, 0x7f, | ||
77 | 0x00, 0x00, 0x1d, 0x5e, 0x00, | ||
78 | 0xd0 | ||
79 | }; | ||
80 | |||
81 | /* ------------------------------------------------------------------------ */ | ||
82 | |||
83 | static u8 upd64031a_read(struct i2c_client *client, u8 reg) | ||
84 | { | ||
85 | u8 buf[2]; | ||
86 | |||
87 | if (reg >= sizeof(buf)) | ||
88 | return 0xff; | ||
89 | i2c_master_recv(client, buf, 2); | ||
90 | return buf[reg]; | ||
91 | } | ||
92 | |||
93 | /* ------------------------------------------------------------------------ */ | ||
94 | |||
95 | static void upd64031a_write(struct i2c_client *client, u8 reg, u8 val) | ||
96 | { | ||
97 | u8 buf[2]; | ||
98 | |||
99 | buf[0] = reg; | ||
100 | buf[1] = val; | ||
101 | v4l_dbg(1, debug, client, "writing reg addr: %02X val: %02X\n", reg, val); | ||
102 | if (i2c_master_send(client, buf, 2) != 2) | ||
103 | v4l_err(client, "I/O error write 0x%02x/0x%02x\n", reg, val); | ||
104 | } | ||
105 | |||
106 | /* ------------------------------------------------------------------------ */ | ||
107 | |||
108 | /* The input changed due to new input or channel changed */ | ||
109 | static void upd64031a_change(struct i2c_client *client) | ||
110 | { | ||
111 | struct upd64031a_state *state = i2c_get_clientdata(client); | ||
112 | u8 reg = state->regs[R00]; | ||
113 | |||
114 | v4l_dbg(1, debug, client, "changed input or channel\n"); | ||
115 | upd64031a_write(client, R00, reg | 0x10); | ||
116 | upd64031a_write(client, R00, reg & ~0x10); | ||
117 | } | ||
118 | |||
119 | /* ------------------------------------------------------------------------ */ | ||
120 | |||
121 | static int upd64031a_command(struct i2c_client *client, unsigned int cmd, void *arg) | ||
122 | { | ||
123 | struct upd64031a_state *state = i2c_get_clientdata(client); | ||
124 | struct v4l2_routing *route = arg; | ||
125 | |||
126 | switch (cmd) { | ||
127 | case VIDIOC_S_FREQUENCY: | ||
128 | upd64031a_change(client); | ||
129 | break; | ||
130 | |||
131 | case VIDIOC_INT_G_VIDEO_ROUTING: | ||
132 | route->input = (state->gr_mode >> 6) | | ||
133 | (state->direct_3dycs_connect >> 4) | | ||
134 | (state->ext_comp_sync >> 1) | | ||
135 | (state->ext_vert_sync >> 2); | ||
136 | route->output = 0; | ||
137 | break; | ||
138 | |||
139 | case VIDIOC_INT_S_VIDEO_ROUTING: | ||
140 | { | ||
141 | u8 r00, r05, r08; | ||
142 | |||
143 | state->gr_mode = (route->input & 3) << 6; | ||
144 | state->direct_3dycs_connect = (route->input & 0xc) << 4; | ||
145 | state->ext_comp_sync = (route->input & UPD64031A_COMPOSITE_EXTERNAL) << 1; | ||
146 | state->ext_vert_sync = (route->input & UPD64031A_VERTICAL_EXTERNAL) << 2; | ||
147 | r00 = (state->regs[R00] & ~GR_MODE_MASK) | state->gr_mode; | ||
148 | r05 = (state->regs[R00] & ~SYNC_CIRCUIT_MASK) | | ||
149 | state->ext_comp_sync | state->ext_vert_sync; | ||
150 | r08 = (state->regs[R08] & ~DIRECT_3DYCS_CONNECT_MASK) | | ||
151 | state->direct_3dycs_connect; | ||
152 | upd64031a_write(client, R00, r00); | ||
153 | upd64031a_write(client, R05, r05); | ||
154 | upd64031a_write(client, R08, r08); | ||
155 | upd64031a_change(client); | ||
156 | break; | ||
157 | } | ||
158 | |||
159 | case VIDIOC_LOG_STATUS: | ||
160 | v4l_info(client, "Status: SA00=0x%02x SA01=0x%02x\n", | ||
161 | upd64031a_read(client, 0), upd64031a_read(client, 1)); | ||
162 | break; | ||
163 | |||
164 | #ifdef CONFIG_VIDEO_ADV_DEBUG | ||
165 | case VIDIOC_INT_G_REGISTER: | ||
166 | { | ||
167 | struct v4l2_register *reg = arg; | ||
168 | |||
169 | if (reg->i2c_id != I2C_DRIVERID_UPD64031A) | ||
170 | return -EINVAL; | ||
171 | reg->val = upd64031a_read(client, reg->reg & 0xff); | ||
172 | break; | ||
173 | } | ||
174 | |||
175 | case VIDIOC_INT_S_REGISTER: | ||
176 | { | ||
177 | struct v4l2_register *reg = arg; | ||
178 | u8 addr = reg->reg & 0xff; | ||
179 | u8 val = reg->val & 0xff; | ||
180 | |||
181 | if (reg->i2c_id != I2C_DRIVERID_UPD64031A) | ||
182 | return -EINVAL; | ||
183 | if (!capable(CAP_SYS_ADMIN)) | ||
184 | return -EPERM; | ||
185 | upd64031a_write(client, addr, val); | ||
186 | break; | ||
187 | } | ||
188 | #endif | ||
189 | |||
190 | default: | ||
191 | break; | ||
192 | } | ||
193 | return 0; | ||
194 | } | ||
195 | |||
196 | /* ------------------------------------------------------------------------ */ | ||
197 | |||
198 | /* i2c implementation */ | ||
199 | |||
200 | static struct i2c_driver i2c_driver; | ||
201 | |||
202 | static int upd64031a_attach(struct i2c_adapter *adapter, int address, int kind) | ||
203 | { | ||
204 | struct i2c_client *client; | ||
205 | struct upd64031a_state *state; | ||
206 | int i; | ||
207 | |||
208 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) | ||
209 | return 0; | ||
210 | |||
211 | client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); | ||
212 | if (client == NULL) { | ||
213 | return -ENOMEM; | ||
214 | } | ||
215 | |||
216 | client->addr = address; | ||
217 | client->adapter = adapter; | ||
218 | client->driver = &i2c_driver; | ||
219 | snprintf(client->name, sizeof(client->name) - 1, "uPD64031A"); | ||
220 | |||
221 | v4l_info(client, "chip found @ 0x%x (%s)\n", address << 1, adapter->name); | ||
222 | |||
223 | state = kmalloc(sizeof(struct upd64031a_state), GFP_KERNEL); | ||
224 | if (state == NULL) { | ||
225 | kfree(client); | ||
226 | return -ENOMEM; | ||
227 | } | ||
228 | i2c_set_clientdata(client, state); | ||
229 | memcpy(state->regs, upd64031a_init, sizeof(state->regs)); | ||
230 | state->gr_mode = UPD64031A_GR_ON << 6; | ||
231 | state->direct_3dycs_connect = UPD64031A_3DYCS_COMPOSITE << 4; | ||
232 | state->ext_comp_sync = state->ext_vert_sync = 0; | ||
233 | for (i = 0; i < TOT_REGS; i++) { | ||
234 | upd64031a_write(client, i, state->regs[i]); | ||
235 | } | ||
236 | |||
237 | i2c_attach_client(client); | ||
238 | |||
239 | return 0; | ||
240 | } | ||
241 | |||
242 | static int upd64031a_probe(struct i2c_adapter *adapter) | ||
243 | { | ||
244 | if (adapter->class & I2C_CLASS_TV_ANALOG) | ||
245 | return i2c_probe(adapter, &addr_data, upd64031a_attach); | ||
246 | return 0; | ||
247 | } | ||
248 | |||
249 | static int upd64031a_detach(struct i2c_client *client) | ||
250 | { | ||
251 | int err; | ||
252 | |||
253 | err = i2c_detach_client(client); | ||
254 | if (err) | ||
255 | return err; | ||
256 | |||
257 | kfree(client); | ||
258 | return 0; | ||
259 | } | ||
260 | |||
261 | /* ----------------------------------------------------------------------- */ | ||
262 | |||
263 | /* i2c implementation */ | ||
264 | static struct i2c_driver i2c_driver = { | ||
265 | .driver = { | ||
266 | .name = "upd64031a", | ||
267 | }, | ||
268 | .id = I2C_DRIVERID_UPD64031A, | ||
269 | .attach_adapter = upd64031a_probe, | ||
270 | .detach_client = upd64031a_detach, | ||
271 | .command = upd64031a_command, | ||
272 | }; | ||
273 | |||
274 | |||
275 | static int __init upd64031a_init_module(void) | ||
276 | { | ||
277 | return i2c_add_driver(&i2c_driver); | ||
278 | } | ||
279 | |||
280 | static void __exit upd64031a_exit_module(void) | ||
281 | { | ||
282 | i2c_del_driver(&i2c_driver); | ||
283 | } | ||
284 | |||
285 | module_init(upd64031a_init_module); | ||
286 | module_exit(upd64031a_exit_module); | ||
287 | |||
diff --git a/drivers/media/video/upd64083.c b/drivers/media/video/upd64083.c new file mode 100644 index 000000000000..c3a7ffe5c267 --- /dev/null +++ b/drivers/media/video/upd64083.c | |||
@@ -0,0 +1,262 @@ | |||
1 | /* | ||
2 | * upd6408x - NEC Electronics 3-Dimensional Y/C separation driver | ||
3 | * | ||
4 | * 2003 by T.Adachi (tadachi@tadachi-net.com) | ||
5 | * 2003 by Takeru KOMORIYA <komoriya@paken.org> | ||
6 | * 2006 by Hans Verkuil <hverkuil@xs4all.nl> | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or | ||
9 | * modify it under the terms of the GNU General Public License | ||
10 | * as published by the Free Software Foundation; either version 2 | ||
11 | * of the License, or (at your option) any later version. | ||
12 | * | ||
13 | * This program is distributed in the hope that it will be useful, | ||
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
16 | * GNU General Public License for more details. | ||
17 | * | ||
18 | * You should have received a copy of the GNU General Public License | ||
19 | * along with this program; if not, write to the Free Software | ||
20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | ||
21 | */ | ||
22 | |||
23 | #include <linux/version.h> | ||
24 | #include <linux/module.h> | ||
25 | #include <linux/kernel.h> | ||
26 | #include <linux/i2c.h> | ||
27 | #include <linux/videodev2.h> | ||
28 | #include <media/v4l2-common.h> | ||
29 | #include <media/upd64083.h> | ||
30 | |||
31 | MODULE_DESCRIPTION("uPD64083 driver"); | ||
32 | MODULE_AUTHOR("T. Adachi, Takeru KOMORIYA, Hans Verkuil"); | ||
33 | MODULE_LICENSE("GPL"); | ||
34 | |||
35 | static int debug = 0; | ||
36 | module_param(debug, bool, 0644); | ||
37 | |||
38 | MODULE_PARM_DESC(debug, "Debug level (0-1)"); | ||
39 | |||
40 | static unsigned short normal_i2c[] = { 0xb8 >> 1, 0xba >> 1, I2C_CLIENT_END }; | ||
41 | |||
42 | |||
43 | I2C_CLIENT_INSMOD; | ||
44 | |||
45 | enum { | ||
46 | R00 = 0, R01, R02, R03, R04, | ||
47 | R05, R06, R07, R08, R09, | ||
48 | R0A, R0B, R0C, R0D, R0E, R0F, | ||
49 | R10, R11, R12, R13, R14, | ||
50 | R15, R16, | ||
51 | TOT_REGS | ||
52 | }; | ||
53 | |||
54 | struct upd64083_state { | ||
55 | u8 mode; | ||
56 | u8 ext_y_adc; | ||
57 | u8 regs[TOT_REGS]; | ||
58 | }; | ||
59 | |||
60 | /* Initial values when used in combination with the | ||
61 | NEC upd64031a ghost reduction chip. */ | ||
62 | static u8 upd64083_init[] = { | ||
63 | 0x1f, 0x01, 0xa0, 0x2d, 0x29, /* we use EXCSS=0 */ | ||
64 | 0x36, 0xdd, 0x05, 0x56, 0x48, | ||
65 | 0x00, 0x3a, 0xa0, 0x05, 0x08, | ||
66 | 0x44, 0x60, 0x08, 0x52, 0xf8, | ||
67 | 0x53, 0x60, 0x10 | ||
68 | }; | ||
69 | |||
70 | /* ------------------------------------------------------------------------ */ | ||
71 | |||
72 | static void upd64083_log_status(struct i2c_client *client) | ||
73 | { | ||
74 | u8 buf[7]; | ||
75 | |||
76 | i2c_master_recv(client, buf, 7); | ||
77 | v4l_info(client, "Status: SA00=%02x SA01=%02x SA02=%02x SA03=%02x " | ||
78 | "SA04=%02x SA05=%02x SA06=%02x\n", | ||
79 | buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6]); | ||
80 | } | ||
81 | |||
82 | /* ------------------------------------------------------------------------ */ | ||
83 | |||
84 | static void upd64083_write(struct i2c_client *client, u8 reg, u8 val) | ||
85 | { | ||
86 | u8 buf[2]; | ||
87 | |||
88 | buf[0] = reg; | ||
89 | buf[1] = val; | ||
90 | v4l_dbg(1, debug, client, "writing reg addr: %02x val: %02x\n", reg, val); | ||
91 | if (i2c_master_send(client, buf, 2) != 2) | ||
92 | v4l_err(client, "I/O error write 0x%02x/0x%02x\n", reg, val); | ||
93 | } | ||
94 | |||
95 | /* ------------------------------------------------------------------------ */ | ||
96 | |||
97 | #ifdef CONFIG_VIDEO_ADV_DEBUG | ||
98 | static u8 upd64083_read(struct i2c_client *client, u8 reg) | ||
99 | { | ||
100 | u8 buf[7]; | ||
101 | |||
102 | if (reg >= sizeof(buf)) | ||
103 | return 0xff; | ||
104 | i2c_master_recv(client, buf, sizeof(buf)); | ||
105 | return buf[reg]; | ||
106 | } | ||
107 | #endif | ||
108 | |||
109 | /* ------------------------------------------------------------------------ */ | ||
110 | |||
111 | static int upd64083_command(struct i2c_client *client, unsigned int cmd, void *arg) | ||
112 | { | ||
113 | struct upd64083_state *state = i2c_get_clientdata(client); | ||
114 | struct v4l2_routing *route = arg; | ||
115 | |||
116 | switch (cmd) { | ||
117 | case VIDIOC_INT_G_VIDEO_ROUTING: | ||
118 | route->input = (state->mode >> 6) | (state->ext_y_adc >> 3); | ||
119 | route->output = 0; | ||
120 | break; | ||
121 | |||
122 | case VIDIOC_INT_S_VIDEO_ROUTING: | ||
123 | { | ||
124 | u8 r00, r02; | ||
125 | |||
126 | if (route->input > 7 || (route->input & 6) == 6) | ||
127 | return -EINVAL; | ||
128 | state->mode = (route->input & 3) << 6; | ||
129 | state->ext_y_adc = (route->input & UPD64083_EXT_Y_ADC) << 3; | ||
130 | r00 = (state->regs[R00] & ~(3 << 6)) | state->mode; | ||
131 | r02 = (state->regs[R02] & ~(1 << 5)) | state->ext_y_adc; | ||
132 | upd64083_write(client, R00, r00); | ||
133 | upd64083_write(client, R02, r02); | ||
134 | break; | ||
135 | } | ||
136 | |||
137 | case VIDIOC_LOG_STATUS: | ||
138 | upd64083_log_status(client); | ||
139 | break; | ||
140 | |||
141 | #ifdef CONFIG_VIDEO_ADV_DEBUG | ||
142 | case VIDIOC_INT_G_REGISTER: | ||
143 | { | ||
144 | struct v4l2_register *reg = arg; | ||
145 | |||
146 | if (reg->i2c_id != I2C_DRIVERID_UPD64083) | ||
147 | return -EINVAL; | ||
148 | reg->val = upd64083_read(client, reg->reg & 0xff); | ||
149 | break; | ||
150 | } | ||
151 | |||
152 | case VIDIOC_INT_S_REGISTER: | ||
153 | { | ||
154 | struct v4l2_register *reg = arg; | ||
155 | u8 addr = reg->reg & 0xff; | ||
156 | u8 val = reg->val & 0xff; | ||
157 | |||
158 | if (reg->i2c_id != I2C_DRIVERID_UPD64083) | ||
159 | return -EINVAL; | ||
160 | if (!capable(CAP_SYS_ADMIN)) | ||
161 | return -EPERM; | ||
162 | upd64083_write(client, addr, val); | ||
163 | break; | ||
164 | } | ||
165 | #endif | ||
166 | default: | ||
167 | break; | ||
168 | } | ||
169 | |||
170 | return 0; | ||
171 | } | ||
172 | |||
173 | /* ------------------------------------------------------------------------ */ | ||
174 | |||
175 | /* i2c implementation */ | ||
176 | |||
177 | static struct i2c_driver i2c_driver; | ||
178 | |||
179 | static int upd64083_attach(struct i2c_adapter *adapter, int address, int kind) | ||
180 | { | ||
181 | struct i2c_client *client; | ||
182 | struct upd64083_state *state; | ||
183 | int i; | ||
184 | |||
185 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) | ||
186 | return 0; | ||
187 | |||
188 | client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); | ||
189 | if (client == NULL) { | ||
190 | return -ENOMEM; | ||
191 | } | ||
192 | |||
193 | client->addr = address; | ||
194 | client->adapter = adapter; | ||
195 | client->driver = &i2c_driver; | ||
196 | snprintf(client->name, sizeof(client->name) - 1, "uPD64083"); | ||
197 | |||
198 | v4l_info(client, "chip found @ 0x%x (%s)\n", address << 1, adapter->name); | ||
199 | |||
200 | state = kmalloc(sizeof(struct upd64083_state), GFP_KERNEL); | ||
201 | if (state == NULL) { | ||
202 | kfree(client); | ||
203 | return -ENOMEM; | ||
204 | } | ||
205 | i2c_set_clientdata(client, state); | ||
206 | /* Initially assume that a ghost reduction chip is present */ | ||
207 | state->mode = 0; /* YCS mode */ | ||
208 | state->ext_y_adc = (1 << 5); | ||
209 | memcpy(state->regs, upd64083_init, TOT_REGS); | ||
210 | for (i = 0; i < TOT_REGS; i++) { | ||
211 | upd64083_write(client, i, state->regs[i]); | ||
212 | } | ||
213 | i2c_attach_client(client); | ||
214 | |||
215 | return 0; | ||
216 | } | ||
217 | |||
218 | static int upd64083_probe(struct i2c_adapter *adapter) | ||
219 | { | ||
220 | if (adapter->class & I2C_CLASS_TV_ANALOG) | ||
221 | return i2c_probe(adapter, &addr_data, upd64083_attach); | ||
222 | return 0; | ||
223 | } | ||
224 | |||
225 | static int upd64083_detach(struct i2c_client *client) | ||
226 | { | ||
227 | int err; | ||
228 | |||
229 | err = i2c_detach_client(client); | ||
230 | if (err) | ||
231 | return err; | ||
232 | |||
233 | kfree(client); | ||
234 | return 0; | ||
235 | } | ||
236 | |||
237 | /* ----------------------------------------------------------------------- */ | ||
238 | |||
239 | /* i2c implementation */ | ||
240 | static struct i2c_driver i2c_driver = { | ||
241 | .driver = { | ||
242 | .name = "upd64083", | ||
243 | }, | ||
244 | .id = I2C_DRIVERID_UPD64083, | ||
245 | .attach_adapter = upd64083_probe, | ||
246 | .detach_client = upd64083_detach, | ||
247 | .command = upd64083_command, | ||
248 | }; | ||
249 | |||
250 | |||
251 | static int __init upd64083_init_module(void) | ||
252 | { | ||
253 | return i2c_add_driver(&i2c_driver); | ||
254 | } | ||
255 | |||
256 | static void __exit upd64083_exit_module(void) | ||
257 | { | ||
258 | i2c_del_driver(&i2c_driver); | ||
259 | } | ||
260 | |||
261 | module_init(upd64083_init_module); | ||
262 | module_exit(upd64083_exit_module); | ||