#include <linux/types.h>
#include <asm/uaccess.h>
#include <linux/i2c.h>
-#include <media/v4l2-common.h>
-#include <media/v4l2-i2c-drv-legacy.h>
-#include <linux/videodev.h>
#include <linux/videodev2.h>
-#include <linux/video_decoder.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-chip-ident.h>
+#include <media/v4l2-i2c-drv-legacy.h>
MODULE_DESCRIPTION("vpx3220a/vpx3216b/vpx3214c video decoder driver");
MODULE_AUTHOR("Laurent Pinchart");
module_param(debug, int, 0);
MODULE_PARM_DESC(debug, "Debug level (0-1)");
+static unsigned short normal_i2c[] = { 0x86 >> 1, 0x8e >> 1, I2C_CLIENT_END };
+
+I2C_CLIENT_INSMOD;
+
#define VPX_TIMEOUT_COUNT 10
/* ----------------------------------------------------------------------- */
struct vpx3220 {
+ struct v4l2_subdev sd;
unsigned char reg[255];
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) {
- v4l_dbg(1, debug, client, "%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) {
- v4l_dbg(1, debug, client, "%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) {
- v4l_dbg(1, debug, client, "%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) {
- v4l_dbg(1, debug, client, "%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++;
- ret = vpx3220_write(client, reg, *data++);
+ ret = vpx3220_write(sd, reg, *data++);
if (ret < 0)
break;
len -= 2;
return ret;
}
-static int vpx3220_write_fp_block(struct i2c_client *client,
+static int vpx3220_write_fp_block(struct v4l2_subdev *sd,
const u16 *data, unsigned int len)
{
u8 reg;
while (len > 1) {
reg = *data++;
- ret |= vpx3220_fp_write(client, reg, *data++);
+ ret |= vpx3220_fp_write(sd, reg, *data++);
len -= 2;
}
};
-static int vpx3220_command(struct i2c_client *client, unsigned cmd, void *arg)
+static int vpx3220_init(struct v4l2_subdev *sd, u32 val)
{
- struct vpx3220 *decoder = i2c_get_clientdata(client);
-
- switch (cmd) {
- case VIDIOC_INT_INIT:
- {
- vpx3220_write_block(client, init_common,
- sizeof(init_common));
- vpx3220_write_fp_block(client, init_fp,
- sizeof(init_fp) >> 1);
- if (decoder->norm & V4L2_STD_NTSC) {
- vpx3220_write_fp_block(client, init_ntsc,
- sizeof(init_ntsc) >> 1);
- } else if (decoder->norm & V4L2_STD_PAL) {
- vpx3220_write_fp_block(client, init_pal,
- sizeof(init_pal) >> 1);
- } else if (decoder->norm & V4L2_STD_SECAM) {
- vpx3220_write_fp_block(client, init_secam,
- sizeof(init_secam) >> 1);
- } else {
- vpx3220_write_fp_block(client, init_pal,
- sizeof(init_pal) >> 1);
- }
- break;
- }
+ 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;
+}
- case VIDIOC_QUERYSTD:
- case VIDIOC_INT_G_INPUT_STATUS:
- {
- int res = V4L2_IN_ST_NO_SIGNAL, status;
- v4l2_std_id std = 0;
+static int vpx3220_status(struct v4l2_subdev *sd, u32 *pstatus, v4l2_std_id *pstd)
+{
+ int res = V4L2_IN_ST_NO_SIGNAL, status;
+ v4l2_std_id std = 0;
- v4l_dbg(1, debug, client, "VIDIOC_QUERYSTD/VIDIOC_INT_G_INPUT_STATUS\n");
+ v4l2_dbg(1, debug, sd, "VIDIOC_QUERYSTD/VIDIOC_INT_G_INPUT_STATUS\n");
- status = vpx3220_fp_read(client, 0x0f3);
+ status = vpx3220_fp_read(sd, 0x0f3);
- v4l_dbg(1, debug, client, "status: 0x%04x\n", status);
+ v4l2_dbg(1, debug, sd, "status: 0x%04x\n", status);
- if (status < 0)
- return status;
+ if (status < 0)
+ return status;
- if ((status & 0x20) == 0) {
- res = 0;
+ if ((status & 0x20) == 0) {
+ res = 0;
- switch (status & 0x18) {
- case 0x00:
- case 0x10:
- case 0x14:
- case 0x18:
- std = V4L2_STD_PAL;
- break;
+ switch (status & 0x18) {
+ case 0x00:
+ case 0x10:
+ case 0x14:
+ case 0x18:
+ std = V4L2_STD_PAL;
+ break;
- case 0x08:
- std = V4L2_STD_SECAM;
- break;
+ case 0x08:
+ std = V4L2_STD_SECAM;
+ break;
- case 0x04:
- case 0x0c:
- case 0x1c:
- std = V4L2_STD_NTSC;
- break;
- }
+ case 0x04:
+ case 0x0c:
+ case 0x1c:
+ std = V4L2_STD_NTSC;
+ break;
}
-
- if (cmd == VIDIOC_QUERYSTD)
- *(v4l2_std_id *)arg = std;
- else
- *(int *)arg = res;
- break;
}
+ if (pstd)
+ *pstd = std;
+ if (pstatus)
+ *pstatus = status;
+ return 0;
+}
- case VIDIOC_S_STD:
- {
- v4l2_std_id *iarg = arg;
- 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(client, 0xf2);
-
- v4l_dbg(1, debug, client, "VIDIOC_S_STD %llx\n", *iarg);
- if (*iarg & V4L2_STD_NTSC) {
- vpx3220_write_fp_block(client, init_ntsc,
- sizeof(init_ntsc) >> 1);
- v4l_dbg(1, debug, client, "norm switched to NTSC\n");
- } else if (*iarg & V4L2_STD_PAL) {
- vpx3220_write_fp_block(client, init_pal,
- sizeof(init_pal) >> 1);
- v4l_dbg(1, debug, client, "norm switched to PAL\n");
- } else if (*iarg & V4L2_STD_SECAM) {
- vpx3220_write_fp_block(client, init_secam,
- sizeof(init_secam) >> 1);
- v4l_dbg(1, debug, client, "norm switched to SECAM\n");
- } else {
- return -EINVAL;
- }
+static int vpx3220_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
+{
+ return vpx3220_status(sd, NULL, std);
+}
- decoder->norm = *iarg;
+static int vpx3220_g_input_status(struct v4l2_subdev *sd, u32 *status)
+{
+ return vpx3220_status(sd, status, NULL);
+}
- /* And here we set the backed up video input again */
- vpx3220_fp_write(client, 0xf2, temp_input | 0x0010);
- udelay(10);
- break;
+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, "VIDIOC_S_STD %llx\n", 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;
}
- case VIDIOC_INT_S_VIDEO_ROUTING:
- {
- struct v4l2_routing *route = arg;
- int data;
+ decoder->norm = std;
- /* RJ: *iarg = 0: ST8 (PCTV) input
- *iarg = 1: COMPOSITE input
- *iarg = 2: SVHS input */
+ /* And here we set the backed up video input again */
+ vpx3220_fp_write(sd, 0xf2, temp_input | 0x0010);
+ udelay(10);
+ return 0;
+}
- const int input[3][2] = {
- {0x0c, 0},
- {0x0d, 0},
- {0x0e, 1}
- };
+static int vpx3220_s_routing(struct v4l2_subdev *sd, const struct v4l2_routing *route)
+{
+ int data;
- if (route->input < 0 || route->input > 2)
- return -EINVAL;
+ /* RJ: route->input = 0: ST8 (PCTV) input
+ route->input = 1: COMPOSITE input
+ route->input = 2: SVHS input */
- v4l_dbg(1, debug, client, "input switched to %s\n", inputs[route->input]);
+ const int input[3][2] = {
+ {0x0c, 0},
+ {0x0d, 0},
+ {0x0e, 1}
+ };
- vpx3220_write(client, 0x33, input[route->input][0]);
+ if (route->input < 0 || route->input > 2)
+ return -EINVAL;
- 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[route->input][1] << 5) | 0x0010);
+ v4l2_dbg(1, debug, sd, "input switched to %s\n", inputs[route->input]);
- udelay(10);
- break;
- }
+ vpx3220_write(sd, 0x33, input[route->input][0]);
- case VIDIOC_STREAMON:
- case VIDIOC_STREAMOFF:
- {
- int on = cmd == VIDIOC_STREAMON;
- v4l_dbg(1, debug, client, "VIDIOC_STREAM%s\n", on ? "ON" : "OFF");
+ 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[route->input][1] << 5) | 0x0010);
- vpx3220_write(client, 0xf2, (on ? 0x1b : 0x00));
- break;
- }
+ udelay(10);
+ return 0;
+}
- case VIDIOC_QUERYCTRL:
- {
- struct v4l2_queryctrl *qc = arg;
+static int vpx3220_s_stream(struct v4l2_subdev *sd, int enable)
+{
+ v4l2_dbg(1, debug, sd, "VIDIOC_STREAM%s\n", enable ? "ON" : "OFF");
- switch (qc->id) {
- case V4L2_CID_BRIGHTNESS:
- v4l2_ctrl_query_fill(qc, -128, 127, 1, 0);
- break;
+ vpx3220_write(sd, 0xf2, (enable ? 0x1b : 0x00));
+ return 0;
+}
- case V4L2_CID_CONTRAST:
- v4l2_ctrl_query_fill(qc, 0, 63, 1, 32);
- break;
+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 V4L2_CID_SATURATION:
- v4l2_ctrl_query_fill(qc, 0, 4095, 1, 2048);
- break;
+ case V4L2_CID_CONTRAST:
+ v4l2_ctrl_query_fill(qc, 0, 63, 1, 32);
+ break;
- case V4L2_CID_HUE:
- v4l2_ctrl_query_fill(qc, -512, 511, 1, 0);
- break;
+ case V4L2_CID_SATURATION:
+ v4l2_ctrl_query_fill(qc, 0, 4095, 1, 2048);
+ break;
- default:
- return -EINVAL;
- }
+ case V4L2_CID_HUE:
+ v4l2_ctrl_query_fill(qc, -512, 511, 1, 0);
break;
+
+ default:
+ return -EINVAL;
}
+ return 0;
+}
- case VIDIOC_G_CTRL:
- {
- struct v4l2_control *ctrl = arg;
+static int vpx3220_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
+{
+ struct vpx3220 *decoder = to_vpx3220(sd);
- 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;
- }
+ 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 VIDIOC_S_CTRL:
- {
- struct v4l2_control *ctrl = arg;
+static int vpx3220_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
+{
+ struct vpx3220 *decoder = to_vpx3220(sd);
- switch (ctrl->id) {
- case V4L2_CID_BRIGHTNESS:
- if (decoder->bright != ctrl->value) {
- decoder->bright = ctrl->value;
- vpx3220_write(client, 0xe6, decoder->bright);
- }
- break;
- case V4L2_CID_CONTRAST:
- if (decoder->contrast != ctrl->value) {
- /* Bit 7 and 8 is for noise shaping */
- decoder->contrast = ctrl->value;
- vpx3220_write(client, 0xe7,
- decoder->contrast + 192);
- }
- break;
- case V4L2_CID_SATURATION:
- if (decoder->sat != ctrl->value) {
- decoder->sat = ctrl->value;
- vpx3220_fp_write(client, 0xa0, decoder->sat);
- }
- break;
- case V4L2_CID_HUE:
- if (decoder->hue != ctrl->value) {
- decoder->hue = ctrl->value;
- vpx3220_fp_write(client, 0x1c, decoder->hue);
- }
- break;
- default:
- return -EINVAL;
+ switch (ctrl->id) {
+ case V4L2_CID_BRIGHTNESS:
+ if (decoder->bright != ctrl->value) {
+ decoder->bright = ctrl->value;
+ vpx3220_write(sd, 0xe6, decoder->bright);
+ }
+ break;
+ case V4L2_CID_CONTRAST:
+ if (decoder->contrast != ctrl->value) {
+ /* Bit 7 and 8 is for noise shaping */
+ decoder->contrast = ctrl->value;
+ vpx3220_write(sd, 0xe7, decoder->contrast + 192);
+ }
+ break;
+ case V4L2_CID_SATURATION:
+ if (decoder->sat != ctrl->value) {
+ decoder->sat = ctrl->value;
+ vpx3220_fp_write(sd, 0xa0, decoder->sat);
+ }
+ 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);
}
+static int vpx3220_command(struct i2c_client *client, unsigned cmd, void *arg)
+{
+ return v4l2_subdev_command(i2c_get_clientdata(client), cmd, arg);
+}
+
+/* ----------------------------------------------------------------------- */
+
+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,
+};
+
+static const struct v4l2_subdev_tuner_ops vpx3220_tuner_ops = {
+ .s_std = vpx3220_s_std,
+};
+
+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 const struct v4l2_subdev_ops vpx3220_ops = {
+ .core = &vpx3220_core_ops,
+ .tuner = &vpx3220_tuner_ops,
+ .video = &vpx3220_video_ops,
+};
+
/* -----------------------------------------------------------------------
* Client management code
*/
-static unsigned short normal_i2c[] = { 0x86 >> 1, 0x8e >> 1, I2C_CLIENT_END };
-
-I2C_CLIENT_INSMOD;
-
static int vpx3220_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct vpx3220 *decoder;
+ struct v4l2_subdev *sd;
const char *name = NULL;
u8 ver;
u16 pn;
decoder = kzalloc(sizeof(struct vpx3220), GFP_KERNEL);
if (decoder == NULL)
return -ENOMEM;
+ sd = &decoder->sd;
+ v4l2_i2c_subdev_init(sd, client, &vpx3220_ops);
decoder->norm = V4L2_STD_PAL;
decoder->input = 0;
decoder->enable = 1;
decoder->contrast = 32768;
decoder->hue = 32768;
decoder->sat = 32768;
- i2c_set_clientdata(client, decoder);
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:
break;
case 0x4260:
name = "vpx3216b";
+ decoder->ident = V4L2_IDENT_VPX3216B;
break;
case 0x4280:
name = "vpx3214c";
+ decoder->ident = V4L2_IDENT_VPX3214C;
break;
}
}
if (name)
- v4l_info(client, "%s found @ 0x%x (%s)\n", name,
+ v4l2_info(sd, "%s found @ 0x%x (%s)\n", name,
client->addr << 1, client->adapter->name);
else
- v4l_info(client, "chip (%02x:%04x) found @ 0x%x (%s)\n",
+ v4l2_info(sd, "chip (%02x:%04x) found @ 0x%x (%s)\n",
ver, pn, client->addr << 1, client->adapter->name);
- vpx3220_init_client(client);
+ 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_remove(struct i2c_client *client)
{
- kfree(i2c_get_clientdata(client));
+ struct v4l2_subdev *sd = i2c_get_clientdata(client);
+
+ v4l2_device_unregister_subdev(sd);
+ kfree(to_vpx3220(sd));
return 0;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / commitdiff