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-rw-r--r--drivers/media/video/gspca/ov534.c104
1 files changed, 53 insertions, 51 deletions
diff --git a/drivers/media/video/gspca/ov534.c b/drivers/media/video/gspca/ov534.c
index d5c74d65ce8a..406f6bc12d9f 100644
--- a/drivers/media/video/gspca/ov534.c
+++ b/drivers/media/video/gspca/ov534.c
@@ -63,65 +63,66 @@ static struct v4l2_pix_format vga_mode[] = {
63 .priv = 0}, 63 .priv = 0},
64}; 64};
65 65
66static void ov534_reg_write(struct usb_device *udev, u16 reg, u8 val) 66static void ov534_reg_write(struct gspca_dev *gspca_dev, u16 reg, u8 val)
67{ 67{
68 u8 data = val; 68 struct usb_device *udev = gspca_dev->dev;
69 int ret; 69 int ret;
70 70
71 PDEBUG(D_USBO, "reg=0x%04x, val=0%02x", reg, val); 71 PDEBUG(D_USBO, "reg=0x%04x, val=0%02x", reg, val);
72 gspca_dev->usb_buf[0] = val;
72 ret = usb_control_msg(udev, 73 ret = usb_control_msg(udev,
73 usb_sndctrlpipe(udev, 0), 74 usb_sndctrlpipe(udev, 0),
74 0x1, 75 0x1,
75 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 76 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
76 0x0, reg, &data, 1, CTRL_TIMEOUT); 77 0x0, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
77 if (ret < 0) 78 if (ret < 0)
78 PDEBUG(D_ERR, "write failed"); 79 PDEBUG(D_ERR, "write failed");
79} 80}
80 81
81static u8 ov534_reg_read(struct usb_device *udev, u16 reg) 82static u8 ov534_reg_read(struct gspca_dev *gspca_dev, u16 reg)
82{ 83{
83 u8 data; 84 struct usb_device *udev = gspca_dev->dev;
84 int ret; 85 int ret;
85 86
86 ret = usb_control_msg(udev, 87 ret = usb_control_msg(udev,
87 usb_rcvctrlpipe(udev, 0), 88 usb_rcvctrlpipe(udev, 0),
88 0x1, 89 0x1,
89 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 90 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
90 0x0, reg, &data, 1, CTRL_TIMEOUT); 91 0x0, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
91 PDEBUG(D_USBI, "reg=0x%04x, data=0x%02x", reg, data); 92 PDEBUG(D_USBI, "reg=0x%04x, data=0x%02x", reg, gspca_dev->usb_buf[0]);
92 if (ret < 0) 93 if (ret < 0)
93 PDEBUG(D_ERR, "read failed"); 94 PDEBUG(D_ERR, "read failed");
94 return data; 95 return gspca_dev->usb_buf[0];
95} 96}
96 97
97/* Two bits control LED: 0x21 bit 7 and 0x23 bit 7. 98/* Two bits control LED: 0x21 bit 7 and 0x23 bit 7.
98 * (direction and output)? */ 99 * (direction and output)? */
99static void ov534_set_led(struct usb_device *udev, int status) 100static void ov534_set_led(struct gspca_dev *gspca_dev, int status)
100{ 101{
101 u8 data; 102 u8 data;
102 103
103 PDEBUG(D_CONF, "led status: %d", status); 104 PDEBUG(D_CONF, "led status: %d", status);
104 105
105 data = ov534_reg_read(udev, 0x21); 106 data = ov534_reg_read(gspca_dev, 0x21);
106 data |= 0x80; 107 data |= 0x80;
107 ov534_reg_write(udev, 0x21, data); 108 ov534_reg_write(gspca_dev, 0x21, data);
108 109
109 data = ov534_reg_read(udev, 0x23); 110 data = ov534_reg_read(gspca_dev, 0x23);
110 if (status) 111 if (status)
111 data |= 0x80; 112 data |= 0x80;
112 else 113 else
113 data &= ~(0x80); 114 data &= ~(0x80);
114 115
115 ov534_reg_write(udev, 0x23, data); 116 ov534_reg_write(gspca_dev, 0x23, data);
116} 117}
117 118
118static int sccb_check_status(struct usb_device *udev) 119static int sccb_check_status(struct gspca_dev *gspca_dev)
119{ 120{
120 u8 data; 121 u8 data;
121 int i; 122 int i;
122 123
123 for (i = 0; i < 5; i++) { 124 for (i = 0; i < 5; i++) {
124 data = ov534_reg_read(udev, OV534_REG_STATUS); 125 data = ov534_reg_read(gspca_dev, OV534_REG_STATUS);
125 126
126 switch (data) { 127 switch (data) {
127 case 0x00: 128 case 0x00:
@@ -138,30 +139,30 @@ static int sccb_check_status(struct usb_device *udev)
138 return 0; 139 return 0;
139} 140}
140 141
141static void sccb_reg_write(struct usb_device *udev, u16 reg, u8 val) 142static void sccb_reg_write(struct gspca_dev *gspca_dev, u16 reg, u8 val)
142{ 143{
143 PDEBUG(D_USBO, "reg: 0x%04x, val: 0x%02x", reg, val); 144 PDEBUG(D_USBO, "reg: 0x%04x, val: 0x%02x", reg, val);
144 ov534_reg_write(udev, OV534_REG_SUBADDR, reg); 145 ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg);
145 ov534_reg_write(udev, OV534_REG_WRITE, val); 146 ov534_reg_write(gspca_dev, OV534_REG_WRITE, val);
146 ov534_reg_write(udev, OV534_REG_OPERATION, OV534_OP_WRITE_3); 147 ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_3);
147 148
148 if (!sccb_check_status(udev)) 149 if (!sccb_check_status(gspca_dev))
149 PDEBUG(D_ERR, "sccb_reg_write failed"); 150 PDEBUG(D_ERR, "sccb_reg_write failed");
150} 151}
151 152
152#ifdef GSPCA_DEBUG 153#ifdef GSPCA_DEBUG
153static u8 sccb_reg_read(struct usb_device *udev, u16 reg) 154static u8 sccb_reg_read(struct gspca_dev *gspca_dev, u16 reg)
154{ 155{
155 ov534_reg_write(udev, OV534_REG_SUBADDR, reg); 156 ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg);
156 ov534_reg_write(udev, OV534_REG_OPERATION, OV534_OP_WRITE_2); 157 ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_2);
157 if (!sccb_check_status(udev)) 158 if (!sccb_check_status(gspca_dev))
158 PDEBUG(D_ERR, "sccb_reg_read failed 1"); 159 PDEBUG(D_ERR, "sccb_reg_read failed 1");
159 160
160 ov534_reg_write(udev, OV534_REG_OPERATION, OV534_OP_READ_2); 161 ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_READ_2);
161 if (!sccb_check_status(udev)) 162 if (!sccb_check_status(gspca_dev))
162 PDEBUG(D_ERR, "sccb_reg_read failed 2"); 163 PDEBUG(D_ERR, "sccb_reg_read failed 2");
163 164
164 return ov534_reg_read(udev, OV534_REG_READ); 165 return ov534_reg_read(gspca_dev, OV534_REG_READ);
165} 166}
166#endif 167#endif
167 168
@@ -318,26 +319,26 @@ static void ov534_set_frame_rate(struct gspca_dev *gspca_dev)
318 319
319 switch (fr) { 320 switch (fr) {
320 case 50: 321 case 50:
321 sccb_reg_write(gspca_dev->dev, 0x11, 0x01); 322 sccb_reg_write(gspca_dev, 0x11, 0x01);
322 sccb_reg_write(gspca_dev->dev, 0x0d, 0x41); 323 sccb_reg_write(gspca_dev, 0x0d, 0x41);
323 ov534_reg_write(gspca_dev->dev, 0xe5, 0x02); 324 ov534_reg_write(gspca_dev, 0xe5, 0x02);
324 break; 325 break;
325 case 40: 326 case 40:
326 sccb_reg_write(gspca_dev->dev, 0x11, 0x02); 327 sccb_reg_write(gspca_dev, 0x11, 0x02);
327 sccb_reg_write(gspca_dev->dev, 0x0d, 0xc1); 328 sccb_reg_write(gspca_dev, 0x0d, 0xc1);
328 ov534_reg_write(gspca_dev->dev, 0xe5, 0x04); 329 ov534_reg_write(gspca_dev, 0xe5, 0x04);
329 break; 330 break;
330/* case 30: */ 331/* case 30: */
331 default: 332 default:
332 fr = 30; 333 fr = 30;
333 sccb_reg_write(gspca_dev->dev, 0x11, 0x04); 334 sccb_reg_write(gspca_dev, 0x11, 0x04);
334 sccb_reg_write(gspca_dev->dev, 0x0d, 0x81); 335 sccb_reg_write(gspca_dev, 0x0d, 0x81);
335 ov534_reg_write(gspca_dev->dev, 0xe5, 0x02); 336 ov534_reg_write(gspca_dev, 0xe5, 0x02);
336 break; 337 break;
337 case 15: 338 case 15:
338 sccb_reg_write(gspca_dev->dev, 0x11, 0x03); 339 sccb_reg_write(gspca_dev, 0x11, 0x03);
339 sccb_reg_write(gspca_dev->dev, 0x0d, 0x41); 340 sccb_reg_write(gspca_dev, 0x0d, 0x41);
340 ov534_reg_write(gspca_dev->dev, 0xe5, 0x04); 341 ov534_reg_write(gspca_dev, 0xe5, 0x04);
341 break; 342 break;
342 } 343 }
343 344
@@ -346,27 +347,28 @@ static void ov534_set_frame_rate(struct gspca_dev *gspca_dev)
346} 347}
347 348
348/* setup method */ 349/* setup method */
349static void ov534_setup(struct usb_device *udev) 350static void ov534_setup(struct gspca_dev *gspca_dev)
350{ 351{
351 int i; 352 int i;
352 353
353 /* Initialize bridge chip */ 354 /* Initialize bridge chip */
354 for (i = 0; i < ARRAY_SIZE(ov534_reg_initdata); i++) 355 for (i = 0; i < ARRAY_SIZE(ov534_reg_initdata); i++)
355 ov534_reg_write(udev, ov534_reg_initdata[i][0], 356 ov534_reg_write(gspca_dev, ov534_reg_initdata[i][0],
356 ov534_reg_initdata[i][1]); 357 ov534_reg_initdata[i][1]);
357 358
358 PDEBUG(D_PROBE, "sensor is ov%02x%02x", 359 PDEBUG(D_PROBE, "sensor is ov%02x%02x",
359 sccb_reg_read(udev, 0x0a), sccb_reg_read(udev, 0x0b)); 360 sccb_reg_read(gspca_dev, 0x0a),
361 sccb_reg_read(gspca_dev, 0x0b));
360 362
361 ov534_set_led(udev, 1); 363 ov534_set_led(gspca_dev, 1);
362 364
363 /* Initialize sensor */ 365 /* Initialize sensor */
364 for (i = 0; i < ARRAY_SIZE(ov772x_reg_initdata); i++) 366 for (i = 0; i < ARRAY_SIZE(ov772x_reg_initdata); i++)
365 sccb_reg_write(udev, ov772x_reg_initdata[i][0], 367 sccb_reg_write(gspca_dev, ov772x_reg_initdata[i][0],
366 ov772x_reg_initdata[i][1]); 368 ov772x_reg_initdata[i][1]);
367 369
368 ov534_reg_write(udev, 0xe0, 0x09); 370 ov534_reg_write(gspca_dev, 0xe0, 0x09);
369 ov534_set_led(udev, 0); 371 ov534_set_led(gspca_dev, 0);
370} 372}
371 373
372/* this function is called at probe time */ 374/* this function is called at probe time */
@@ -390,7 +392,7 @@ static int sd_config(struct gspca_dev *gspca_dev,
390/* this function is called at probe and resume time */ 392/* this function is called at probe and resume time */
391static int sd_init(struct gspca_dev *gspca_dev) 393static int sd_init(struct gspca_dev *gspca_dev)
392{ 394{
393 ov534_setup(gspca_dev->dev); 395 ov534_setup(gspca_dev);
394 ov534_set_frame_rate(gspca_dev); 396 ov534_set_frame_rate(gspca_dev);
395 397
396 return 0; 398 return 0;
@@ -399,8 +401,8 @@ static int sd_init(struct gspca_dev *gspca_dev)
399static int sd_start(struct gspca_dev *gspca_dev) 401static int sd_start(struct gspca_dev *gspca_dev)
400{ 402{
401 /* start streaming data */ 403 /* start streaming data */
402 ov534_set_led(gspca_dev->dev, 1); 404 ov534_set_led(gspca_dev, 1);
403 ov534_reg_write(gspca_dev->dev, 0xe0, 0x00); 405 ov534_reg_write(gspca_dev, 0xe0, 0x00);
404 406
405 return 0; 407 return 0;
406} 408}
@@ -408,8 +410,8 @@ static int sd_start(struct gspca_dev *gspca_dev)
408static void sd_stopN(struct gspca_dev *gspca_dev) 410static void sd_stopN(struct gspca_dev *gspca_dev)
409{ 411{
410 /* stop streaming data */ 412 /* stop streaming data */
411 ov534_reg_write(gspca_dev->dev, 0xe0, 0x09); 413 ov534_reg_write(gspca_dev, 0xe0, 0x09);
412 ov534_set_led(gspca_dev->dev, 0); 414 ov534_set_led(gspca_dev, 0);
413} 415}
414 416
415/* Values for bmHeaderInfo (Video and Still Image Payload Headers, 2.4.3.3) */ 417/* Values for bmHeaderInfo (Video and Still Image Payload Headers, 2.4.3.3) */