-/*
+/*
* vpx3220a, vpx3216b & vpx3214c video decoder driver version 0.0.1
*
* Copyright (C) 2001 Laurent Pinchart <lpinchart@freegates.be>
#include <linux/delay.h>
#include <linux/types.h>
#include <linux/slab.h>
-
-#include <linux/byteorder/swab.h>
-
-#include <asm/io.h>
#include <asm/uaccess.h>
-
#include <linux/i2c.h>
-#include <linux/i2c-dev.h>
-
-#define I2C_NAME(x) (x)->name
-
-#include <linux/videodev.h>
-#include <linux/video_decoder.h>
+#include <linux/videodev2.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-chip-ident.h>
+#include <media/v4l2-i2c-drv.h>
-#define I2C_VPX3220 0x86
-#define VPX3220_DEBUG KERN_DEBUG "vpx3220: "
+MODULE_DESCRIPTION("vpx3220a/vpx3216b/vpx3214c video decoder driver");
+MODULE_AUTHOR("Laurent Pinchart");
+MODULE_LICENSE("GPL");
-static int debug = 0;
+static int debug;
module_param(debug, int, 0);
MODULE_PARM_DESC(debug, "Debug level (0-1)");
-#define dprintk(num, format, args...) \
- do { \
- if (debug >= num) \
- printk(format, ##args); \
- } while (0)
#define VPX_TIMEOUT_COUNT 10
/* ----------------------------------------------------------------------- */
struct vpx3220 {
+ struct v4l2_subdev sd;
unsigned char reg[255];
- int norm;
+ v4l2_std_id norm;
+ int ident;
int input;
int enable;
int bright;
int sat;
};
+static inline struct vpx3220 *to_vpx3220(struct v4l2_subdev *sd)
+{
+ return container_of(sd, struct vpx3220, sd);
+}
+
static char *inputs[] = { "internal", "composite", "svideo" };
/* ----------------------------------------------------------------------- */
-static inline int
-vpx3220_write (struct i2c_client *client,
- u8 reg,
- u8 value)
+
+static inline int vpx3220_write(struct v4l2_subdev *sd, u8 reg, u8 value)
{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
struct vpx3220 *decoder = i2c_get_clientdata(client);
decoder->reg[reg] = value;
return i2c_smbus_write_byte_data(client, reg, value);
}
-static inline int
-vpx3220_read (struct i2c_client *client,
- u8 reg)
+static inline int vpx3220_read(struct v4l2_subdev *sd, u8 reg)
{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
return i2c_smbus_read_byte_data(client, reg);
}
-static int
-vpx3220_fp_status (struct i2c_client *client)
+static int vpx3220_fp_status(struct v4l2_subdev *sd)
{
unsigned char status;
unsigned int i;
for (i = 0; i < VPX_TIMEOUT_COUNT; i++) {
- status = vpx3220_read(client, 0x29);
+ status = vpx3220_read(sd, 0x29);
if (!(status & 4))
return 0;
return -1;
}
-static int
-vpx3220_fp_write (struct i2c_client *client,
- u8 fpaddr,
- u16 data)
+static int vpx3220_fp_write(struct v4l2_subdev *sd, u8 fpaddr, u16 data)
{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
/* Write the 16-bit address to the FPWR register */
if (i2c_smbus_write_word_data(client, 0x27, swab16(fpaddr)) == -1) {
- dprintk(1, VPX3220_DEBUG "%s: failed\n", __func__);
+ v4l2_dbg(1, debug, sd, "%s: failed\n", __func__);
return -1;
}
- if (vpx3220_fp_status(client) < 0)
+ if (vpx3220_fp_status(sd) < 0)
return -1;
/* Write the 16-bit data to the FPDAT register */
if (i2c_smbus_write_word_data(client, 0x28, swab16(data)) == -1) {
- dprintk(1, VPX3220_DEBUG "%s: failed\n", __func__);
+ v4l2_dbg(1, debug, sd, "%s: failed\n", __func__);
return -1;
}
return 0;
}
-static u16
-vpx3220_fp_read (struct i2c_client *client,
- u16 fpaddr)
+static u16 vpx3220_fp_read(struct v4l2_subdev *sd, u16 fpaddr)
{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
s16 data;
/* Write the 16-bit address to the FPRD register */
if (i2c_smbus_write_word_data(client, 0x26, swab16(fpaddr)) == -1) {
- dprintk(1, VPX3220_DEBUG "%s: failed\n", __func__);
+ v4l2_dbg(1, debug, sd, "%s: failed\n", __func__);
return -1;
}
- if (vpx3220_fp_status(client) < 0)
+ if (vpx3220_fp_status(sd) < 0)
return -1;
/* Read the 16-bit data from the FPDAT register */
data = i2c_smbus_read_word_data(client, 0x28);
if (data == -1) {
- dprintk(1, VPX3220_DEBUG "%s: failed\n", __func__);
+ v4l2_dbg(1, debug, sd, "%s: failed\n", __func__);
return -1;
}
return swab16(data);
}
-static int
-vpx3220_write_block (struct i2c_client *client,
- const u8 *data,
- unsigned int len)
+static int vpx3220_write_block(struct v4l2_subdev *sd, const u8 *data, unsigned int len)
{
u8 reg;
int ret = -1;
while (len >= 2) {
reg = *data++;
- if ((ret =
- vpx3220_write(client, reg, *data++)) < 0)
+ ret = vpx3220_write(sd, reg, *data++);
+ if (ret < 0)
break;
len -= 2;
}
return ret;
}
-static int
-vpx3220_write_fp_block (struct i2c_client *client,
- const u16 *data,
- unsigned int len)
+static int vpx3220_write_fp_block(struct v4l2_subdev *sd,
+ const u16 *data, unsigned int len)
{
u8 reg;
int ret = 0;
while (len > 1) {
reg = *data++;
- ret |= vpx3220_fp_write(client, reg, *data++);
+ ret |= vpx3220_fp_write(sd, reg, *data++);
len -= 2;
}
0x8c, 640, /* Horizontal length */
0x8d, 640, /* Number of pixels */
0x8f, 0xc00, /* Disable window 2 */
- 0xf0, 0x173, /* 13.5 MHz transport, Forced
+ 0xf0, 0x73, /* 13.5 MHz transport, Forced
* mode, latch windows */
0xf2, 0x13, /* NTSC M, composite input */
0xe7, 0x1e1, /* Enable vertical standard
static const unsigned short init_pal[] = {
0x88, 23, /* Window 1 vertical begin */
- 0x89, 288 + 16, /* Vertical lines in (16 lines
+ 0x89, 288, /* Vertical lines in (16 lines
* skipped by the VFE) */
- 0x8a, 288 + 16, /* Vertical lines out (16 lines
+ 0x8a, 288, /* Vertical lines out (16 lines
* skipped by the VFE) */
0x8b, 16, /* Horizontal begin */
0x8c, 768, /* Horizontal length */
0x8d, 784, /* Number of pixels
* Must be >= Horizontal begin + Horizontal length */
0x8f, 0xc00, /* Disable window 2 */
- 0xf0, 0x177, /* 13.5 MHz transport, Forced
+ 0xf0, 0x77, /* 13.5 MHz transport, Forced
* mode, latch windows */
0xf2, 0x3d1, /* PAL B,G,H,I, composite input */
- 0xe7, 0x261, /* PAL/SECAM set to 288 + 16 lines
- * change to 0x241 for 288 lines */
+ 0xe7, 0x241, /* PAL/SECAM set to 288 lines */
};
static const unsigned short init_secam[] = {
- 0x88, 23 - 16, /* Window 1 vertical begin */
- 0x89, 288 + 16, /* Vertical lines in (16 lines
+ 0x88, 23, /* Window 1 vertical begin */
+ 0x89, 288, /* Vertical lines in (16 lines
* skipped by the VFE) */
- 0x8a, 288 + 16, /* Vertical lines out (16 lines
+ 0x8a, 288, /* Vertical lines out (16 lines
* skipped by the VFE) */
0x8b, 16, /* Horizontal begin */
0x8c, 768, /* Horizontal length */
0x8d, 784, /* Number of pixels
* Must be >= Horizontal begin + Horizontal length */
0x8f, 0xc00, /* Disable window 2 */
- 0xf0, 0x177, /* 13.5 MHz transport, Forced
+ 0xf0, 0x77, /* 13.5 MHz transport, Forced
* mode, latch windows */
0xf2, 0x3d5, /* SECAM, composite input */
- 0xe7, 0x261, /* PAL/SECAM set to 288 + 16 lines
- * change to 0x241 for 288 lines */
+ 0xe7, 0x241, /* PAL/SECAM set to 288 lines */
};
static const unsigned char init_common[] = {
0x4b, 0x298, /* PLL gain */
};
-static void
-vpx3220_dump_i2c (struct i2c_client *client)
-{
- int len = sizeof(init_common);
- const unsigned char *data = init_common;
- while (len > 1) {
- dprintk(1,
- KERN_DEBUG "vpx3216b i2c reg 0x%02x data 0x%02x\n",
- *data, vpx3220_read(client, *data));
- data += 2;
- len -= 2;
- }
+static int vpx3220_init(struct v4l2_subdev *sd, u32 val)
+{
+ struct vpx3220 *decoder = to_vpx3220(sd);
+
+ vpx3220_write_block(sd, init_common, sizeof(init_common));
+ vpx3220_write_fp_block(sd, init_fp, sizeof(init_fp) >> 1);
+ if (decoder->norm & V4L2_STD_NTSC)
+ vpx3220_write_fp_block(sd, init_ntsc, sizeof(init_ntsc) >> 1);
+ else if (decoder->norm & V4L2_STD_PAL)
+ vpx3220_write_fp_block(sd, init_pal, sizeof(init_pal) >> 1);
+ else if (decoder->norm & V4L2_STD_SECAM)
+ vpx3220_write_fp_block(sd, init_secam, sizeof(init_secam) >> 1);
+ else
+ vpx3220_write_fp_block(sd, init_pal, sizeof(init_pal) >> 1);
+ return 0;
}
-static int
-vpx3220_command (struct i2c_client *client,
- unsigned int cmd,
- void *arg)
+static int vpx3220_status(struct v4l2_subdev *sd, u32 *pstatus, v4l2_std_id *pstd)
{
- struct vpx3220 *decoder = i2c_get_clientdata(client);
+ int res = V4L2_IN_ST_NO_SIGNAL, status;
+ v4l2_std_id std = 0;
- switch (cmd) {
- case 0:
- {
- vpx3220_write_block(client, init_common,
- sizeof(init_common));
- vpx3220_write_fp_block(client, init_fp,
- sizeof(init_fp) >> 1);
- switch (decoder->norm) {
-
- case VIDEO_MODE_NTSC:
- vpx3220_write_fp_block(client, init_ntsc,
- sizeof(init_ntsc) >> 1);
- break;
+ status = vpx3220_fp_read(sd, 0x0f3);
+
+ v4l2_dbg(1, debug, sd, "status: 0x%04x\n", status);
+
+ if (status < 0)
+ return status;
+
+ if ((status & 0x20) == 0) {
+ res = 0;
- case VIDEO_MODE_PAL:
- vpx3220_write_fp_block(client, init_pal,
- sizeof(init_pal) >> 1);
+ switch (status & 0x18) {
+ case 0x00:
+ case 0x10:
+ case 0x14:
+ case 0x18:
+ std = V4L2_STD_PAL;
break;
- case VIDEO_MODE_SECAM:
- vpx3220_write_fp_block(client, init_secam,
- sizeof(init_secam) >> 1);
+
+ case 0x08:
+ std = V4L2_STD_SECAM;
break;
- default:
- vpx3220_write_fp_block(client, init_pal,
- sizeof(init_pal) >> 1);
+
+ case 0x04:
+ case 0x0c:
+ case 0x1c:
+ std = V4L2_STD_NTSC;
break;
}
- }
- break;
-
- case DECODER_DUMP:
- {
- vpx3220_dump_i2c(client);
}
- break;
+ if (pstd)
+ *pstd = std;
+ if (pstatus)
+ *pstatus = status;
+ return 0;
+}
- case DECODER_GET_CAPABILITIES:
- {
- struct video_decoder_capability *cap = arg;
+static int vpx3220_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
+{
+ v4l2_dbg(1, debug, sd, "querystd\n");
+ return vpx3220_status(sd, NULL, std);
+}
- dprintk(1, KERN_DEBUG "%s: DECODER_GET_CAPABILITIES\n",
- I2C_NAME(client));
+static int vpx3220_g_input_status(struct v4l2_subdev *sd, u32 *status)
+{
+ v4l2_dbg(1, debug, sd, "g_input_status\n");
+ return vpx3220_status(sd, status, NULL);
+}
- cap->flags = VIDEO_DECODER_PAL |
- VIDEO_DECODER_NTSC |
- VIDEO_DECODER_SECAM |
- VIDEO_DECODER_AUTO |
- VIDEO_DECODER_CCIR;
- cap->inputs = 3;
- cap->outputs = 1;
+static int vpx3220_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
+{
+ struct vpx3220 *decoder = to_vpx3220(sd);
+ int temp_input;
+
+ /* Here we back up the input selection because it gets
+ overwritten when we fill the registers with the
+ choosen video norm */
+ temp_input = vpx3220_fp_read(sd, 0xf2);
+
+ v4l2_dbg(1, debug, sd, "s_std %llx\n", (unsigned long long)std);
+ if (std & V4L2_STD_NTSC) {
+ vpx3220_write_fp_block(sd, init_ntsc, sizeof(init_ntsc) >> 1);
+ v4l2_dbg(1, debug, sd, "norm switched to NTSC\n");
+ } else if (std & V4L2_STD_PAL) {
+ vpx3220_write_fp_block(sd, init_pal, sizeof(init_pal) >> 1);
+ v4l2_dbg(1, debug, sd, "norm switched to PAL\n");
+ } else if (std & V4L2_STD_SECAM) {
+ vpx3220_write_fp_block(sd, init_secam, sizeof(init_secam) >> 1);
+ v4l2_dbg(1, debug, sd, "norm switched to SECAM\n");
+ } else {
+ return -EINVAL;
}
- break;
- case DECODER_GET_STATUS:
- {
- int res = 0, status;
+ decoder->norm = std;
- dprintk(1, KERN_INFO "%s: DECODER_GET_STATUS\n",
- I2C_NAME(client));
-
- status = vpx3220_fp_read(client, 0x0f3);
-
- dprintk(1, KERN_INFO "%s: status: 0x%04x\n", I2C_NAME(client),
- status);
-
- if (status < 0)
- return status;
-
- if ((status & 0x20) == 0) {
- res |= DECODER_STATUS_GOOD | DECODER_STATUS_COLOR;
-
- switch (status & 0x18) {
+ /* And here we set the backed up video input again */
+ vpx3220_fp_write(sd, 0xf2, temp_input | 0x0010);
+ udelay(10);
+ return 0;
+}
- case 0x00:
- case 0x10:
- case 0x14:
- case 0x18:
- res |= DECODER_STATUS_PAL;
- break;
+static int vpx3220_s_routing(struct v4l2_subdev *sd,
+ u32 input, u32 output, u32 config)
+{
+ int data;
- case 0x08:
- res |= DECODER_STATUS_SECAM;
- break;
+ /* RJ: input = 0: ST8 (PCTV) input
+ input = 1: COMPOSITE input
+ input = 2: SVHS input */
- case 0x04:
- case 0x0c:
- case 0x1c:
- res |= DECODER_STATUS_NTSC;
- break;
- }
- }
+ const int input_vals[3][2] = {
+ {0x0c, 0},
+ {0x0d, 0},
+ {0x0e, 1}
+ };
- *(int *) arg = res;
- }
- break;
+ if (input > 2)
+ return -EINVAL;
- case DECODER_SET_NORM:
- {
- int *iarg = arg, data;
+ v4l2_dbg(1, debug, sd, "input switched to %s\n", inputs[input]);
- dprintk(1, KERN_DEBUG "%s: DECODER_SET_NORM %d\n",
- I2C_NAME(client), *iarg);
- switch (*iarg) {
+ vpx3220_write(sd, 0x33, input_vals[input][0]);
- case VIDEO_MODE_NTSC:
- vpx3220_write_fp_block(client, init_ntsc,
- sizeof(init_ntsc) >> 1);
- dprintk(1, KERN_INFO "%s: norm switched to NTSC\n",
- I2C_NAME(client));
- break;
+ data = vpx3220_fp_read(sd, 0xf2) & ~(0x0020);
+ if (data < 0)
+ return data;
+ /* 0x0010 is required to latch the setting */
+ vpx3220_fp_write(sd, 0xf2,
+ data | (input_vals[input][1] << 5) | 0x0010);
- case VIDEO_MODE_PAL:
- vpx3220_write_fp_block(client, init_pal,
- sizeof(init_pal) >> 1);
- dprintk(1, KERN_INFO "%s: norm switched to PAL\n",
- I2C_NAME(client));
- break;
-
- case VIDEO_MODE_SECAM:
- vpx3220_write_fp_block(client, init_secam,
- sizeof(init_secam) >> 1);
- dprintk(1, KERN_INFO "%s: norm switched to SECAM\n",
- I2C_NAME(client));
- break;
+ udelay(10);
+ return 0;
+}
- case VIDEO_MODE_AUTO:
- /* FIXME This is only preliminary support */
- data = vpx3220_fp_read(client, 0xf2) & 0x20;
- vpx3220_fp_write(client, 0xf2, 0x00c0 | data);
- dprintk(1, KERN_INFO "%s: norm switched to Auto\n",
- I2C_NAME(client));
- break;
+static int vpx3220_s_stream(struct v4l2_subdev *sd, int enable)
+{
+ v4l2_dbg(1, debug, sd, "s_stream %s\n", enable ? "on" : "off");
- default:
- return -EINVAL;
+ vpx3220_write(sd, 0xf2, (enable ? 0x1b : 0x00));
+ return 0;
+}
- }
- decoder->norm = *iarg;
- }
+static int vpx3220_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
+{
+ switch (qc->id) {
+ case V4L2_CID_BRIGHTNESS:
+ v4l2_ctrl_query_fill(qc, -128, 127, 1, 0);
break;
- case DECODER_SET_INPUT:
- {
- int *iarg = arg, data;
-
- /* RJ: *iarg = 0: ST8 (PCTV) input
- *iarg = 1: COMPOSITE input
- *iarg = 2: SVHS input */
-
- const int input[3][2] = {
- {0x0c, 0},
- {0x0d, 0},
- {0x0e, 1}
- };
-
- if (*iarg < 0 || *iarg > 2)
- return -EINVAL;
-
- dprintk(1, KERN_INFO "%s: input switched to %s\n",
- I2C_NAME(client), inputs[*iarg]);
-
- vpx3220_write(client, 0x33, input[*iarg][0]);
-
- data = vpx3220_fp_read(client, 0xf2) & ~(0x0020);
- if (data < 0)
- return data;
- /* 0x0010 is required to latch the setting */
- vpx3220_fp_write(client, 0xf2,
- data | (input[*iarg][1] << 5) | 0x0010);
-
- udelay(10);
- }
+ case V4L2_CID_CONTRAST:
+ v4l2_ctrl_query_fill(qc, 0, 63, 1, 32);
break;
- case DECODER_SET_OUTPUT:
- {
- int *iarg = arg;
+ case V4L2_CID_SATURATION:
+ v4l2_ctrl_query_fill(qc, 0, 4095, 1, 2048);
+ break;
- /* not much choice of outputs */
- if (*iarg != 0) {
- return -EINVAL;
- }
- }
+ case V4L2_CID_HUE:
+ v4l2_ctrl_query_fill(qc, -512, 511, 1, 0);
break;
- case DECODER_ENABLE_OUTPUT:
- {
- int *iarg = arg;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
- dprintk(1, KERN_DEBUG "%s: DECODER_ENABLE_OUTPUT %d\n",
- I2C_NAME(client), *iarg);
+static int vpx3220_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
+{
+ struct vpx3220 *decoder = to_vpx3220(sd);
- vpx3220_write(client, 0xf2, (*iarg ? 0x1b : 0x00));
- }
+ switch (ctrl->id) {
+ case V4L2_CID_BRIGHTNESS:
+ ctrl->value = decoder->bright;
+ break;
+ case V4L2_CID_CONTRAST:
+ ctrl->value = decoder->contrast;
+ break;
+ case V4L2_CID_SATURATION:
+ ctrl->value = decoder->sat;
+ break;
+ case V4L2_CID_HUE:
+ ctrl->value = decoder->hue;
break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
- case DECODER_SET_PICTURE:
- {
- struct video_picture *pic = arg;
+static int vpx3220_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
+{
+ struct vpx3220 *decoder = to_vpx3220(sd);
- if (decoder->bright != pic->brightness) {
- /* We want -128 to 128 we get 0-65535 */
- decoder->bright = pic->brightness;
- vpx3220_write(client, 0xe6,
- (decoder->bright - 32768) >> 8);
+ switch (ctrl->id) {
+ case V4L2_CID_BRIGHTNESS:
+ if (decoder->bright != ctrl->value) {
+ decoder->bright = ctrl->value;
+ vpx3220_write(sd, 0xe6, decoder->bright);
}
- if (decoder->contrast != pic->contrast) {
- /* We want 0 to 64 we get 0-65535 */
+ break;
+ case V4L2_CID_CONTRAST:
+ if (decoder->contrast != ctrl->value) {
/* Bit 7 and 8 is for noise shaping */
- decoder->contrast = pic->contrast;
- vpx3220_write(client, 0xe7,
- (decoder->contrast >> 10) + 192);
+ decoder->contrast = ctrl->value;
+ vpx3220_write(sd, 0xe7, decoder->contrast + 192);
}
- if (decoder->sat != pic->colour) {
- /* We want 0 to 4096 we get 0-65535 */
- decoder->sat = pic->colour;
- vpx3220_fp_write(client, 0xa0,
- decoder->sat >> 4);
+ break;
+ case V4L2_CID_SATURATION:
+ if (decoder->sat != ctrl->value) {
+ decoder->sat = ctrl->value;
+ vpx3220_fp_write(sd, 0xa0, decoder->sat);
}
- if (decoder->hue != pic->hue) {
- /* We want -512 to 512 we get 0-65535 */
- decoder->hue = pic->hue;
- vpx3220_fp_write(client, 0x1c,
- ((decoder->hue - 32768) >> 6) & 0xFFF);
+ break;
+ case V4L2_CID_HUE:
+ if (decoder->hue != ctrl->value) {
+ decoder->hue = ctrl->value;
+ vpx3220_fp_write(sd, 0x1c, decoder->hue);
}
- }
break;
-
default:
return -EINVAL;
}
-
return 0;
}
-static int
-vpx3220_init_client (struct i2c_client *client)
+static int vpx3220_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip)
{
- vpx3220_write_block(client, init_common, sizeof(init_common));
- vpx3220_write_fp_block(client, init_fp, sizeof(init_fp) >> 1);
- /* Default to PAL */
- vpx3220_write_fp_block(client, init_pal, sizeof(init_pal) >> 1);
+ struct vpx3220 *decoder = to_vpx3220(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
- return 0;
+ return v4l2_chip_ident_i2c_client(client, chip, decoder->ident, 0);
}
-/* -----------------------------------------------------------------------
- * Client managment code
- */
+/* ----------------------------------------------------------------------- */
-/*
- * Generic i2c probe
- * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1'
- */
-static unsigned short normal_i2c[] =
- { I2C_VPX3220 >> 1, (I2C_VPX3220 >> 1) + 4,
- I2C_CLIENT_END
+static const struct v4l2_subdev_core_ops vpx3220_core_ops = {
+ .g_chip_ident = vpx3220_g_chip_ident,
+ .init = vpx3220_init,
+ .g_ctrl = vpx3220_g_ctrl,
+ .s_ctrl = vpx3220_s_ctrl,
+ .queryctrl = vpx3220_queryctrl,
+ .s_std = vpx3220_s_std,
};
-static unsigned short ignore = I2C_CLIENT_END;
-
-static struct i2c_client_address_data addr_data = {
- .normal_i2c = normal_i2c,
- .probe = &ignore,
- .ignore = &ignore,
- .force = &ignore,
+static const struct v4l2_subdev_video_ops vpx3220_video_ops = {
+ .s_routing = vpx3220_s_routing,
+ .s_stream = vpx3220_s_stream,
+ .querystd = vpx3220_querystd,
+ .g_input_status = vpx3220_g_input_status,
};
-static struct i2c_driver vpx3220_i2c_driver;
-
-static int
-vpx3220_detach_client (struct i2c_client *client)
-{
- struct vpx3220 *decoder = i2c_get_clientdata(client);
- int err;
-
- err = i2c_detach_client(client);
- if (err) {
- return err;
- }
-
- kfree(decoder);
- kfree(client);
+static const struct v4l2_subdev_ops vpx3220_ops = {
+ .core = &vpx3220_core_ops,
+ .video = &vpx3220_video_ops,
+};
- return 0;
-}
+/* -----------------------------------------------------------------------
+ * Client management code
+ */
-static int
-vpx3220_detect_client (struct i2c_adapter *adapter,
- int address,
- int kind)
+static int vpx3220_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
{
- int err;
- struct i2c_client *client;
struct vpx3220 *decoder;
-
- dprintk(1, VPX3220_DEBUG "%s\n", __func__);
+ struct v4l2_subdev *sd;
+ const char *name = NULL;
+ u8 ver;
+ u16 pn;
/* Check if the adapter supports the needed features */
- if (!i2c_check_functionality
- (adapter, I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA))
- return 0;
+ if (!i2c_check_functionality(client->adapter,
+ I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA))
+ return -ENODEV;
- client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
- if (client == NULL) {
+ decoder = kzalloc(sizeof(struct vpx3220), GFP_KERNEL);
+ if (decoder == NULL)
return -ENOMEM;
- }
-
- memset(client, 0, sizeof(struct i2c_client));
-
- client->addr = address;
- client->adapter = adapter;
- client->driver = &vpx3220_i2c_driver;
- client->flags = I2C_CLIENT_ALLOW_USE;
-
- /* Check for manufacture ID and part number */
- if (kind < 0) {
- u8 id;
- u16 pn;
-
- id = vpx3220_read(client, 0x00);
- if (id != 0xec) {
- dprintk(1,
- KERN_INFO
- "vpx3220_attach: Wrong manufacturer ID (0x%02x)\n",
- id);
- kfree(client);
- return 0;
- }
+ sd = &decoder->sd;
+ v4l2_i2c_subdev_init(sd, client, &vpx3220_ops);
+ decoder->norm = V4L2_STD_PAL;
+ decoder->input = 0;
+ decoder->enable = 1;
+ decoder->bright = 32768;
+ decoder->contrast = 32768;
+ decoder->hue = 32768;
+ decoder->sat = 32768;
- pn = (vpx3220_read(client, 0x02) << 8) +
- vpx3220_read(client, 0x01);
+ ver = i2c_smbus_read_byte_data(client, 0x00);
+ pn = (i2c_smbus_read_byte_data(client, 0x02) << 8) +
+ i2c_smbus_read_byte_data(client, 0x01);
+ decoder->ident = V4L2_IDENT_VPX3220A;
+ if (ver == 0xec) {
switch (pn) {
case 0x4680:
- strlcpy(I2C_NAME(client), "vpx3220a",
- sizeof(I2C_NAME(client)));
+ name = "vpx3220a";
break;
case 0x4260:
- strlcpy(I2C_NAME(client), "vpx3216b",
- sizeof(I2C_NAME(client)));
+ name = "vpx3216b";
+ decoder->ident = V4L2_IDENT_VPX3216B;
break;
case 0x4280:
- strlcpy(I2C_NAME(client), "vpx3214c",
- sizeof(I2C_NAME(client)));
+ name = "vpx3214c";
+ decoder->ident = V4L2_IDENT_VPX3214C;
break;
- default:
- dprintk(1,
- KERN_INFO
- "%s: Wrong part number (0x%04x)\n",
- __func__, pn);
- kfree(client);
- return 0;
}
- } else {
- strlcpy(I2C_NAME(client), "forced vpx32xx",
- sizeof(I2C_NAME(client)));
- }
-
- decoder = kmalloc(sizeof(struct vpx3220), GFP_KERNEL);
- if (decoder == NULL) {
- kfree(client);
- return -ENOMEM;
- }
- memset(decoder, 0, sizeof(struct vpx3220));
- decoder->norm = VIDEO_MODE_PAL;
- decoder->input = 0;
- decoder->enable = 1;
- decoder->bright = 32768;
- decoder->contrast = 32768;
- decoder->hue = 32768;
- decoder->sat = 32768;
- i2c_set_clientdata(client, decoder);
-
- err = i2c_attach_client(client);
- if (err) {
- kfree(client);
- kfree(decoder);
- return err;
}
-
- dprintk(1, KERN_INFO "%s: vpx32xx client found at address 0x%02x\n",
- I2C_NAME(client), client->addr << 1);
-
- vpx3220_init_client(client);
-
+ if (name)
+ v4l2_info(sd, "%s found @ 0x%x (%s)\n", name,
+ client->addr << 1, client->adapter->name);
+ else
+ v4l2_info(sd, "chip (%02x:%04x) found @ 0x%x (%s)\n",
+ ver, pn, client->addr << 1, client->adapter->name);
+
+ vpx3220_write_block(sd, init_common, sizeof(init_common));
+ vpx3220_write_fp_block(sd, init_fp, sizeof(init_fp) >> 1);
+ /* Default to PAL */
+ vpx3220_write_fp_block(sd, init_pal, sizeof(init_pal) >> 1);
return 0;
}
-static int
-vpx3220_attach_adapter (struct i2c_adapter *adapter)
+static int vpx3220_remove(struct i2c_client *client)
{
- int ret;
+ struct v4l2_subdev *sd = i2c_get_clientdata(client);
- ret = i2c_probe(adapter, &addr_data, &vpx3220_detect_client);
- dprintk(1, VPX3220_DEBUG "%s: i2c_probe returned %d\n",
- __func__, ret);
- return ret;
+ v4l2_device_unregister_subdev(sd);
+ kfree(to_vpx3220(sd));
+ return 0;
}
-/* -----------------------------------------------------------------------
- * Driver initialization and cleanup code
- */
+static const struct i2c_device_id vpx3220_id[] = {
+ { "vpx3220a", 0 },
+ { "vpx3216b", 0 },
+ { "vpx3214c", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, vpx3220_id);
-static struct i2c_driver vpx3220_i2c_driver = {
- .owner = THIS_MODULE,
+static struct v4l2_i2c_driver_data v4l2_i2c_data = {
.name = "vpx3220",
-
- .id = I2C_DRIVERID_VPX3220,
- .flags = I2C_DF_NOTIFY,
-
- .attach_adapter = vpx3220_attach_adapter,
- .detach_client = vpx3220_detach_client,
- .command = vpx3220_command,
+ .probe = vpx3220_probe,
+ .remove = vpx3220_remove,
+ .id_table = vpx3220_id,
};
-
-static int __init
-vpx3220_init (void)
-{
- return i2c_add_driver(&vpx3220_i2c_driver);
-}
-
-static void __exit
-vpx3220_cleanup (void)
-{
- i2c_del_driver(&vpx3220_i2c_driver);
-}
-
-module_init(vpx3220_init);
-module_exit(vpx3220_cleanup);
-
-MODULE_DESCRIPTION("vpx3220a/vpx3216b/vpx3214c video encoder driver");
-MODULE_AUTHOR("Laurent Pinchart");
-MODULE_LICENSE("GPL");
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff