diff options
| -rw-r--r-- | drivers/media/video/gspca/spca561.c | 246 |
1 files changed, 117 insertions, 129 deletions
diff --git a/drivers/media/video/gspca/spca561.c b/drivers/media/video/gspca/spca561.c index c3de4e44123..3a27faf6024 100644 --- a/drivers/media/video/gspca/spca561.c +++ b/drivers/media/video/gspca/spca561.c @@ -146,98 +146,7 @@ static struct v4l2_pix_format sif_072a_mode[] = { #define SPCA561_SNAPBIT 0x20 #define SPCA561_SNAPCTRL 0x40 -static void reg_w_val(struct usb_device *dev, __u16 index, __u8 value) -{ - int ret; - - ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), - 0, /* request */ - USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - value, index, NULL, 0, 500); - PDEBUG(D_USBO, "reg write: 0x%02x:0x%02x", index, value); - if (ret < 0) - PDEBUG(D_ERR, "reg write: error %d", ret); -} - -static void write_vector(struct gspca_dev *gspca_dev, - const __u16 data[][2]) -{ - struct usb_device *dev = gspca_dev->dev; - int i; - - i = 0; - while (data[i][1] != 0) { - reg_w_val(dev, data[i][1], data[i][0]); - i++; - } -} - -/* read 'len' bytes to gspca_dev->usb_buf */ -static void reg_r(struct gspca_dev *gspca_dev, - __u16 index, __u16 length) -{ - usb_control_msg(gspca_dev->dev, - usb_rcvctrlpipe(gspca_dev->dev, 0), - 0, /* request */ - USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - 0, /* value */ - index, gspca_dev->usb_buf, length, 500); -} - -static void reg_w_buf(struct gspca_dev *gspca_dev, - __u16 index, const __u8 *buffer, __u16 len) -{ - memcpy(gspca_dev->usb_buf, buffer, len); - usb_control_msg(gspca_dev->dev, - usb_sndctrlpipe(gspca_dev->dev, 0), - 0, /* request */ - USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - 0, /* value */ - index, gspca_dev->usb_buf, len, 500); -} - -static void i2c_write(struct gspca_dev *gspca_dev, __u16 valeur, __u16 reg) -{ - int retry = 60; - __u8 DataLow; - __u8 DataHight; - - DataLow = valeur; - DataHight = valeur >> 8; - reg_w_val(gspca_dev->dev, 0x8801, reg); - reg_w_val(gspca_dev->dev, 0x8805, DataLow); - reg_w_val(gspca_dev->dev, 0x8800, DataHight); - while (retry--) { - reg_r(gspca_dev, 0x8803, 1); - if (!gspca_dev->usb_buf[0]) - break; - } -} - -static int i2c_read(struct gspca_dev *gspca_dev, __u16 reg, __u8 mode) -{ - int retry = 60; - __u8 value; - __u8 vallsb; - - reg_w_val(gspca_dev->dev, 0x8804, 0x92); - reg_w_val(gspca_dev->dev, 0x8801, reg); - reg_w_val(gspca_dev->dev, 0x8802, (mode | 0x01)); - do { - reg_r(gspca_dev, 0x8803, 1); - if (!gspca_dev->usb_buf[0]) - break; - } while (--retry); - if (retry == 0) - return -1; - reg_r(gspca_dev, 0x8800, 1); - value = gspca_dev->usb_buf[0]; - reg_r(gspca_dev, 0x8805, 1); - vallsb = gspca_dev->usb_buf[0]; - return ((int) value << 8) | vallsb; -} - -static const __u16 spca561_init_data[][2] = { +static const __u16 rev72a_init_data[][2] = { {0x0000, 0x8114}, /* Software GPIO output data */ {0x0001, 0x8114}, /* Software GPIO output data */ {0x0000, 0x8112}, /* Some kind of reset */ @@ -324,7 +233,7 @@ static const __u16 spca561_init_data[][2] = { {0x0002, 0x865b}, /* Horizontal offset for valid pixels */ {0x0003, 0x865c}, /* Vertical offset for valid lines */ - /***************//* sensor active */ + /***************/ /* sensor active */ {0x0003, 0x8801}, /* 0x03 <- 0x01 0x21 //289 */ {0x0021, 0x8805}, {0x0001, 0x8800}, @@ -434,7 +343,6 @@ static const __u16 spca561_init_data[][2] = { {} }; - /******************** QC Express etch2 stuff ********************/ static const __u16 Pb100_1map8300[][2] = { /* reg, value */ @@ -515,22 +423,103 @@ static const __u16 spca561_161rev12A_data2[][2] = { {} }; -static void sensor_mapwrite(struct gspca_dev *gspca_dev, - const __u16 sensormap[][2]) +static void reg_w_val(struct usb_device *dev, __u16 index, __u8 value) +{ + int ret; + + ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), + 0, /* request */ + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + value, index, NULL, 0, 500); + PDEBUG(D_USBO, "reg write: 0x%02x:0x%02x", index, value); + if (ret < 0) + PDEBUG(D_ERR, "reg write: error %d", ret); +} + +static void write_vector(struct gspca_dev *gspca_dev, + const __u16 data[][2]) { - int i = 0; - __u8 usbval[2]; + struct usb_device *dev = gspca_dev->dev; + int i; - while (sensormap[i][0]) { - usbval[0] = sensormap[i][1]; - usbval[1] = sensormap[i][1] >> 8; - reg_w_buf(gspca_dev, sensormap[i][0], usbval, 2); + i = 0; + while (data[i][1] != 0) { + reg_w_val(dev, data[i][1], data[i][0]); i++; } } + +/* read 'len' bytes to gspca_dev->usb_buf */ +static void reg_r(struct gspca_dev *gspca_dev, + __u16 index, __u16 length) +{ + usb_control_msg(gspca_dev->dev, + usb_rcvctrlpipe(gspca_dev->dev, 0), + 0, /* request */ + USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + 0, /* value */ + index, gspca_dev->usb_buf, length, 500); +} + +/* write 'len' bytes from gspca_dev->usb_buf */ +static void reg_w_buf(struct gspca_dev *gspca_dev, + __u16 index, __u16 len) +{ + usb_control_msg(gspca_dev->dev, + usb_sndctrlpipe(gspca_dev->dev, 0), + 0, /* request */ + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + 0, /* value */ + index, gspca_dev->usb_buf, len, 500); +} + +static void i2c_write(struct gspca_dev *gspca_dev, __u16 value, __u16 reg) +{ + int retry = 60; + + reg_w_val(gspca_dev->dev, 0x8801, reg); + reg_w_val(gspca_dev->dev, 0x8805, value); + reg_w_val(gspca_dev->dev, 0x8800, value >> 8); + do { + reg_r(gspca_dev, 0x8803, 1); + if (!gspca_dev->usb_buf[0]) + return; + } while (--retry); +} + +static int i2c_read(struct gspca_dev *gspca_dev, __u16 reg, __u8 mode) +{ + int retry = 60; + __u8 value; + + reg_w_val(gspca_dev->dev, 0x8804, 0x92); + reg_w_val(gspca_dev->dev, 0x8801, reg); + reg_w_val(gspca_dev->dev, 0x8802, mode | 0x01); + do { + reg_r(gspca_dev, 0x8803, 1); + if (!gspca_dev->usb_buf[0]) { + reg_r(gspca_dev, 0x8800, 1); + value = gspca_dev->usb_buf[0]; + reg_r(gspca_dev, 0x8805, 1); + return ((int) value << 8) | gspca_dev->usb_buf[0]; + } + } while (--retry); + return -1; +} + +static void sensor_mapwrite(struct gspca_dev *gspca_dev, + const __u16 (*sensormap)[2]) +{ + while ((*sensormap)[0]) { + gspca_dev->usb_buf[0] = (*sensormap)[1]; + gspca_dev->usb_buf[1] = (*sensormap)[1] >> 8; + reg_w_buf(gspca_dev, (*sensormap)[0], 2); + sensormap++; + } +} + static void init_161rev12A(struct gspca_dev *gspca_dev) { -/* sensor_reset(gspca_dev); (not in win) */ write_vector(gspca_dev, spca561_161rev12A_data1); sensor_mapwrite(gspca_dev, Pb100_1map8300); /*fixme: should be in sd_start*/ @@ -598,7 +587,7 @@ static int sd_init_12a(struct gspca_dev *gspca_dev) static int sd_init_72a(struct gspca_dev *gspca_dev) { PDEBUG(D_STREAM, "Chip revision: 072a"); - write_vector(gspca_dev, spca561_init_data); + write_vector(gspca_dev, rev72a_init_data); return 0; } @@ -621,8 +610,9 @@ static void setcontrast(struct gspca_dev *gspca_dev) static const __u8 Reg8391[] = { 0x92, 0x30, 0x20, 0x00, 0x0c, 0x00, 0x00, 0x00 }; - reg_w_buf(gspca_dev, 0x8391, Reg8391, 8); - reg_w_buf(gspca_dev, 0x8390, Reg8391, 8); + memcpy(gspca_dev->usb_buf, Reg8391, 8); + reg_w_buf(gspca_dev, 0x8391, 8); + reg_w_buf(gspca_dev, 0x8390, 8); break; } } @@ -649,7 +639,6 @@ static void setexposure(struct gspca_dev *gspca_dev) struct sd *sd = (struct sd *) gspca_dev; int expo; int clock_divider; - __u8 data[2]; /* Register 0x8309 controls exposure for the spca561, the basic exposure setting goes from 1-2047, where 1 is completely @@ -673,20 +662,19 @@ static void setexposure(struct gspca_dev *gspca_dev) clock_divider = 3; } expo |= clock_divider << 11; - data[0] = expo; - data[1] = expo >> 8; - reg_w_buf(gspca_dev, 0x8309, data, 2); + gspca_dev->usb_buf[0] = expo; + gspca_dev->usb_buf[1] = expo >> 8; + reg_w_buf(gspca_dev, 0x8309, 2); } /* rev 12a only */ static void setgain(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; - __u8 data[2]; - data[0] = sd->gain; - data[1] = 0; - reg_w_buf(gspca_dev, 0x8335, data, 2); + gspca_dev->usb_buf[0] = sd->gain; + gspca_dev->usb_buf[1] = 0; + reg_w_buf(gspca_dev, 0x8335, 2); } static void setautogain(struct gspca_dev *gspca_dev) @@ -716,7 +704,9 @@ static int sd_start_12a(struct gspca_dev *gspca_dev) * is sufficient to push raw frames at ~20fps */ reg_w_val(dev, 0x8500, mode); } /* -- qq@kuku.eu.org */ - reg_w_buf(gspca_dev, 0x8307, Reg8307, 2); + + memcpy(gspca_dev->usb_buf, Reg8307, sizeof Reg8307); + reg_w_buf(gspca_dev, 0x8307, sizeof Reg8307); reg_w_val(gspca_dev->dev, 0x8700, Clck); /* 0x8f 0x85 0x27 clock */ reg_w_val(gspca_dev->dev, 0x8112, 0x1e | 0x20); @@ -791,7 +781,6 @@ static void do_autogain(struct gspca_dev *gspca_dev) __u8 luma_mean = 110; __u8 luma_delta = 20; __u8 spring = 4; - __u8 reg8339[2]; if (sd->ag_cnt < 0) return; @@ -834,13 +823,13 @@ static void do_autogain(struct gspca_dev *gspca_dev) if (gainG > 0x3f) gainG = 0x3f; - else if (gainG < 4) + else if (gainG < 3) gainG = 3; i2c_write(gspca_dev, gainG, 0x35); - if (expotimes >= 0x0256) + if (expotimes > 0x0256) expotimes = 0x0256; - else if (expotimes < 4) + else if (expotimes < 3) expotimes = 3; i2c_write(gspca_dev, expotimes | pixelclk, 0x09); } @@ -848,13 +837,13 @@ static void do_autogain(struct gspca_dev *gspca_dev) case Rev012A: reg_r(gspca_dev, 0x8330, 2); if (gspca_dev->usb_buf[1] > 0x08) { - reg8339[0] = ++sd->expo12a; - reg8339[1] = 0; - reg_w_buf(gspca_dev, 0x8339, reg8339, 2); + gspca_dev->usb_buf[0] = ++sd->expo12a; + gspca_dev->usb_buf[1] = 0; + reg_w_buf(gspca_dev, 0x8339, 2); } else if (gspca_dev->usb_buf[1] < 0x02) { - reg8339[0] = --sd->expo12a; - reg8339[1] = 0; - reg_w_buf(gspca_dev, 0x8339, reg8339, 2); + gspca_dev->usb_buf[0] = --sd->expo12a; + gspca_dev->usb_buf[1] = 0; + reg_w_buf(gspca_dev, 0x8339, 2); } break; } @@ -867,8 +856,8 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, { struct sd *sd = (struct sd *) gspca_dev; - switch (data[0]) { - case 0: /* start of frame */ + switch (data[0]) { /* sequence number */ + case 0: /* start of frame */ frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame, data, 0); data += SPCA561_OFFSET_DATA; @@ -890,8 +879,7 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, frame, data, len); } return; - case 0xff: /* drop */ -/* gspca_dev->last_packet_type = DISCARD_PACKET; */ + case 0xff: /* drop (empty mpackets) */ return; } data++; |