diff options
Diffstat (limited to 'drivers/staging/media/go7007/wis-tw2804.c')
-rw-r--r-- | drivers/staging/media/go7007/wis-tw2804.c | 512 |
1 files changed, 148 insertions, 364 deletions
diff --git a/drivers/staging/media/go7007/wis-tw2804.c b/drivers/staging/media/go7007/wis-tw2804.c index 9afc5df5902e..9134f03e3cf0 100644 --- a/drivers/staging/media/go7007/wis-tw2804.c +++ b/drivers/staging/media/go7007/wis-tw2804.c @@ -21,27 +21,16 @@ #include <linux/videodev2.h> #include <linux/ioctl.h> #include <linux/slab.h> -#include <media/v4l2-subdev.h> -#include <media/v4l2-device.h> #include "wis-i2c.h" struct wis_tw2804 { - struct v4l2_subdev sd; - u8 channel:2; - u8 input:1; - u8 update:1; - u8 auto_gain:1; - u8 ckil:1; + int channel; int norm; - u8 brightness; - u8 contrast; - u8 saturation; - u8 hue; - u8 gain; - u8 cr_gain; - u8 r_balance; - u8 b_balance; + int brightness; + int contrast; + int saturation; + int hue; }; static u8 global_registers[] = { @@ -52,7 +41,6 @@ static u8 global_registers[] = { 0x3d, 0x80, 0x3e, 0x82, 0x3f, 0x82, - 0x78, 0x0f, 0xff, 0xff, /* Terminator (reg 0xff does not exist) */ }; @@ -115,358 +103,29 @@ static u8 channel_registers[] = { 0xff, 0xff, /* Terminator (reg 0xff does not exist) */ }; -static s32 write_reg(struct i2c_client *client, u8 reg, u8 value, u8 channel) +static int write_reg(struct i2c_client *client, u8 reg, u8 value, int channel) { return i2c_smbus_write_byte_data(client, reg | (channel << 6), value); } -static int write_regs(struct i2c_client *client, u8 *regs, u8 channel) +static int write_regs(struct i2c_client *client, u8 *regs, int channel) { int i; for (i = 0; regs[i] != 0xff; i += 2) if (i2c_smbus_write_byte_data(client, regs[i] | (channel << 6), regs[i + 1]) < 0) - return -EINVAL; + return -1; return 0; } -static s32 read_reg(struct i2c_client *client, u8 reg, u8 channel) -{ - return i2c_smbus_read_byte_data(client, (reg) | (channel << 6)); -} - -static inline struct wis_tw2804 *to_state(struct v4l2_subdev *sd) -{ - return container_of(sd, struct wis_tw2804, sd); -} - -static int tw2804_log_status(struct v4l2_subdev *sd) -{ - struct wis_tw2804 *state = to_state(sd); - v4l2_info(sd, "Standard: %s\n", state->norm == V4L2_STD_NTSC ? "NTSC" : - state->norm == V4L2_STD_PAL ? "PAL" : "unknown"); - v4l2_info(sd, "Channel: %d\n", state->channel); - v4l2_info(sd, "Input: %d\n", state->input); - v4l2_info(sd, "Brightness: %d\n", state->brightness); - v4l2_info(sd, "Contrast: %d\n", state->contrast); - v4l2_info(sd, "Saturation: %d\n", state->saturation); - v4l2_info(sd, "Hue: %d\n", state->hue); - return 0; -} - -static int tw2804_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *query) -{ - static const u32 user_ctrls[] = { - V4L2_CID_USER_CLASS, - V4L2_CID_BRIGHTNESS, - V4L2_CID_CONTRAST, - V4L2_CID_SATURATION, - V4L2_CID_HUE, - V4L2_CID_AUTOGAIN, - V4L2_CID_COLOR_KILLER, - V4L2_CID_GAIN, - V4L2_CID_CHROMA_GAIN, - V4L2_CID_BLUE_BALANCE, - V4L2_CID_RED_BALANCE, - 0 - }; - - static const u32 *ctrl_classes[] = { - user_ctrls, - NULL - }; - - query->id = v4l2_ctrl_next(ctrl_classes, query->id); - - switch (query->id) { - case V4L2_CID_USER_CLASS: - return v4l2_ctrl_query_fill(query, 0, 0, 0, 0); - case V4L2_CID_BRIGHTNESS: - return v4l2_ctrl_query_fill(query, 0, 255, 1, 128); - case V4L2_CID_CONTRAST: - return v4l2_ctrl_query_fill(query, 0, 255, 1, 128); - case V4L2_CID_SATURATION: - return v4l2_ctrl_query_fill(query, 0, 255, 1, 128); - case V4L2_CID_HUE: - return v4l2_ctrl_query_fill(query, 0, 255, 1, 128); - case V4L2_CID_AUTOGAIN: - return v4l2_ctrl_query_fill(query, 0, 1, 1, 0); - case V4L2_CID_COLOR_KILLER: - return v4l2_ctrl_query_fill(query, 0, 1, 1, 0); - case V4L2_CID_GAIN: - return v4l2_ctrl_query_fill(query, 0, 255, 1, 128); - case V4L2_CID_CHROMA_GAIN: - return v4l2_ctrl_query_fill(query, 0, 255, 1, 128); - case V4L2_CID_BLUE_BALANCE: - return v4l2_ctrl_query_fill(query, 0, 255, 1, 122); - case V4L2_CID_RED_BALANCE: - return v4l2_ctrl_query_fill(query, 0, 255, 1, 122); - default: - return -EINVAL; - } -} - -s32 get_ctrl_addr(int ctrl) -{ - switch (ctrl) { - case V4L2_CID_BRIGHTNESS: - return 0x12; - case V4L2_CID_CONTRAST: - return 0x11; - case V4L2_CID_SATURATION: - return 0x10; - case V4L2_CID_HUE: - return 0x0f; - case V4L2_CID_AUTOGAIN: - return 0x02; - case V4L2_CID_COLOR_KILLER: - return 0x14; - case V4L2_CID_GAIN: - return 0x3c; - case V4L2_CID_CHROMA_GAIN: - return 0x3d; - case V4L2_CID_RED_BALANCE: - return 0x3f; - case V4L2_CID_BLUE_BALANCE: - return 0x3e; - default: - return -EINVAL; - } -} - -static int tw2804_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) -{ - struct wis_tw2804 *state = to_state(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); - s32 addr = get_ctrl_addr(ctrl->id); - s32 val = 0; - - if (addr == -EINVAL) - return -EINVAL; - - if (state->update) { - val = read_reg(client, addr, ctrl->id == V4L2_CID_GAIN || - ctrl->id == V4L2_CID_CHROMA_GAIN || - ctrl->id == V4L2_CID_RED_BALANCE || - ctrl->id == V4L2_CID_BLUE_BALANCE ? 0 : state->channel); - if (val < 0) - return val; - } - - switch (ctrl->id) { - case V4L2_CID_BRIGHTNESS: - if (state->update) - state->brightness = val; - ctrl->value = state->brightness; - break; - case V4L2_CID_CONTRAST: - if (state->update) - state->contrast = val; - ctrl->value = state->contrast; - break; - case V4L2_CID_SATURATION: - if (state->update) - state->saturation = val; - ctrl->value = state->saturation; - break; - case V4L2_CID_HUE: - if (state->update) - state->hue = val; - ctrl->value = state->hue; - break; - case V4L2_CID_AUTOGAIN: - if (state->update) - state->auto_gain = val & (1<<7) ? 1 : 0; - ctrl->value = state->auto_gain; - break; - case V4L2_CID_COLOR_KILLER: - if (state->update) - state->ckil = (val & 0x03) == 0x03 ? 1 : 0; - ctrl->value = state->ckil; - break; - case V4L2_CID_GAIN: - if (state->update) - state->gain = val; - ctrl->value = state->gain; - break; - case V4L2_CID_CHROMA_GAIN: - if (state->update) - state->cr_gain = val; - ctrl->value = state->cr_gain; - break; - case V4L2_CID_RED_BALANCE: - if (state->update) - state->r_balance = val; - ctrl->value = state->r_balance; - break; - case V4L2_CID_BLUE_BALANCE: - if (state->update) - state->b_balance = val; - ctrl->value = state->b_balance; - break; - default: - return -EINVAL; - } - - state->update = 0; - return 0; -} - -static int tw2804_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) -{ - struct wis_tw2804 *dec = to_state(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); - s32 reg = 0; - s32 addr = get_ctrl_addr(ctrl->id); - - if (addr == -EINVAL) - return -EINVAL; - - switch (ctrl->id) { - case V4L2_CID_AUTOGAIN: - reg = read_reg(client, addr, dec->channel); - if (reg > 0) { - if (ctrl->value == 0) - ctrl->value = reg & ~(1<<7); - else - ctrl->value = reg | 1<<7; - } else - return reg; - break; - case V4L2_CID_COLOR_KILLER: - reg = read_reg(client, addr, dec->channel); - if (reg > 0) - ctrl->value = (reg & ~(0x03)) | (ctrl->value == 0 ? 0x02 : 0x03); - else - return reg; - break; - default: - break; - } - - ctrl->value = ctrl->value > 255 ? 255 : (ctrl->value < 0 ? 0 : ctrl->value); - reg = write_reg(client, addr, (u8)ctrl->value, ctrl->id == V4L2_CID_GAIN || - ctrl->id == V4L2_CID_CHROMA_GAIN || - ctrl->id == V4L2_CID_RED_BALANCE || - ctrl->id == V4L2_CID_BLUE_BALANCE ? 0 : dec->channel); - - if (reg < 0) { - v4l2_err(&dec->sd, "Can`t set_ctrl value:id=%d;value=%d\n", ctrl->id, ctrl->value); - return reg; - } - - dec->update = 1; - return tw2804_g_ctrl(sd, ctrl); -} - -static int tw2804_s_std(struct v4l2_subdev *sd, v4l2_std_id norm) -{ - struct wis_tw2804 *dec = to_state(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); - - u8 regs[] = { - 0x01, norm&V4L2_STD_NTSC ? 0xc4 : 0x84, - 0x09, norm&V4L2_STD_NTSC ? 0x07 : 0x04, - 0x0a, norm&V4L2_STD_NTSC ? 0xf0 : 0x20, - 0x0b, norm&V4L2_STD_NTSC ? 0x07 : 0x04, - 0x0c, norm&V4L2_STD_NTSC ? 0xf0 : 0x20, - 0x0d, norm&V4L2_STD_NTSC ? 0x40 : 0x4a, - 0x16, norm&V4L2_STD_NTSC ? 0x00 : 0x40, - 0x17, norm&V4L2_STD_NTSC ? 0x00 : 0x40, - 0x20, norm&V4L2_STD_NTSC ? 0x07 : 0x0f, - 0x21, norm&V4L2_STD_NTSC ? 0x07 : 0x0f, - 0xff, 0xff, - }; - write_regs(client, regs, dec->channel); - dec->norm = norm; - return 0; -} - -static const struct v4l2_subdev_core_ops tw2804_core_ops = { - .log_status = tw2804_log_status, - .g_ctrl = tw2804_g_ctrl, - .s_ctrl = tw2804_s_ctrl, - .queryctrl = tw2804_queryctrl, - .s_std = tw2804_s_std, -}; - -static int tw2804_s_video_routing(struct v4l2_subdev *sd, u32 input, u32 output, - u32 config) -{ - struct wis_tw2804 *dec = to_state(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); - s32 reg = 0; - - if (0 > input || input > 1) - return -EINVAL; - - if (input == dec->input && !dec->update) - return 0; - - reg = read_reg(client, 0x22, dec->channel); - - if (reg >= 0) { - if (input == 0) - reg &= ~(1<<2); - else - reg |= 1<<2; - reg = write_reg(client, 0x22, (u8)reg, dec->channel); - } - - if (reg >= 0) { - dec->input = input; - dec->update = 0; - } else - return reg; - return 0; -} - -static int tw2804_s_mbus_fmt(struct v4l2_subdev *sd, - struct v4l2_mbus_framefmt *fmt) -{ - /*TODO need select between 3fmt: - * bt_656, - * bt_601_8bit, - * bt_656_dual, - */ - return 0; -} - -int tw2804_s_stream(struct v4l2_subdev *sd, int enable) -{ - struct wis_tw2804 *dec = to_state(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); - u32 reg = read_reg(client, 0x78, 0); - - if (enable == 1) - write_reg(client, 0x78, reg & ~(1<<dec->channel), 0); - else - write_reg(client, 0x78, reg | (1<<dec->channel), 0); - - return 0; -} - -static const struct v4l2_subdev_video_ops tw2804_video_ops = { - .s_routing = tw2804_s_video_routing, - .s_mbus_fmt = tw2804_s_mbus_fmt, - .s_stream = tw2804_s_stream, -}; - -static const struct v4l2_subdev_ops tw2804_ops = { - .core = &tw2804_core_ops, - .video = &tw2804_video_ops, -}; - static int wis_tw2804_command(struct i2c_client *client, unsigned int cmd, void *arg) { - struct v4l2_subdev *sd = i2c_get_clientdata(client); - struct wis_tw2804 *dec = to_state(sd); - int *input; + struct wis_tw2804 *dec = i2c_get_clientdata(client); if (cmd == DECODER_SET_CHANNEL) { - input = arg; + int *input = arg; if (*input < 0 || *input > 3) { printk(KERN_ERR "wis-tw2804: channel %d is not " @@ -495,6 +154,139 @@ static int wis_tw2804_command(struct i2c_client *client, "channel number is set\n", cmd); return 0; } + + switch (cmd) { + case VIDIOC_S_STD: + { + v4l2_std_id *input = arg; + u8 regs[] = { + 0x01, *input & V4L2_STD_NTSC ? 0xc4 : 0x84, + 0x09, *input & V4L2_STD_NTSC ? 0x07 : 0x04, + 0x0a, *input & V4L2_STD_NTSC ? 0xf0 : 0x20, + 0x0b, *input & V4L2_STD_NTSC ? 0x07 : 0x04, + 0x0c, *input & V4L2_STD_NTSC ? 0xf0 : 0x20, + 0x0d, *input & V4L2_STD_NTSC ? 0x40 : 0x4a, + 0x16, *input & V4L2_STD_NTSC ? 0x00 : 0x40, + 0x17, *input & V4L2_STD_NTSC ? 0x00 : 0x40, + 0x20, *input & V4L2_STD_NTSC ? 0x07 : 0x0f, + 0x21, *input & V4L2_STD_NTSC ? 0x07 : 0x0f, + 0xff, 0xff, + }; + write_regs(client, regs, dec->channel); + dec->norm = *input; + break; + } + case VIDIOC_QUERYCTRL: + { + struct v4l2_queryctrl *ctrl = arg; + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + ctrl->type = V4L2_CTRL_TYPE_INTEGER; + strncpy(ctrl->name, "Brightness", sizeof(ctrl->name)); + ctrl->minimum = 0; + ctrl->maximum = 255; + ctrl->step = 1; + ctrl->default_value = 128; + ctrl->flags = 0; + break; + case V4L2_CID_CONTRAST: + ctrl->type = V4L2_CTRL_TYPE_INTEGER; + strncpy(ctrl->name, "Contrast", sizeof(ctrl->name)); + ctrl->minimum = 0; + ctrl->maximum = 255; + ctrl->step = 1; + ctrl->default_value = 128; + ctrl->flags = 0; + break; + case V4L2_CID_SATURATION: + ctrl->type = V4L2_CTRL_TYPE_INTEGER; + strncpy(ctrl->name, "Saturation", sizeof(ctrl->name)); + ctrl->minimum = 0; + ctrl->maximum = 255; + ctrl->step = 1; + ctrl->default_value = 128; + ctrl->flags = 0; + break; + case V4L2_CID_HUE: + ctrl->type = V4L2_CTRL_TYPE_INTEGER; + strncpy(ctrl->name, "Hue", sizeof(ctrl->name)); + ctrl->minimum = 0; + ctrl->maximum = 255; + ctrl->step = 1; + ctrl->default_value = 128; + ctrl->flags = 0; + break; + } + break; + } + case VIDIOC_S_CTRL: + { + struct v4l2_control *ctrl = arg; + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + if (ctrl->value > 255) + dec->brightness = 255; + else if (ctrl->value < 0) + dec->brightness = 0; + else + dec->brightness = ctrl->value; + write_reg(client, 0x12, dec->brightness, dec->channel); + break; + case V4L2_CID_CONTRAST: + if (ctrl->value > 255) + dec->contrast = 255; + else if (ctrl->value < 0) + dec->contrast = 0; + else + dec->contrast = ctrl->value; + write_reg(client, 0x11, dec->contrast, dec->channel); + break; + case V4L2_CID_SATURATION: + if (ctrl->value > 255) + dec->saturation = 255; + else if (ctrl->value < 0) + dec->saturation = 0; + else + dec->saturation = ctrl->value; + write_reg(client, 0x10, dec->saturation, dec->channel); + break; + case V4L2_CID_HUE: + if (ctrl->value > 255) + dec->hue = 255; + else if (ctrl->value < 0) + dec->hue = 0; + else + dec->hue = ctrl->value; + write_reg(client, 0x0f, dec->hue, dec->channel); + break; + } + break; + } + case VIDIOC_G_CTRL: + { + struct v4l2_control *ctrl = arg; + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + ctrl->value = dec->brightness; + break; + case V4L2_CID_CONTRAST: + ctrl->value = dec->contrast; + break; + case V4L2_CID_SATURATION: + ctrl->value = dec->saturation; + break; + case V4L2_CID_HUE: + ctrl->value = dec->hue; + break; + } + break; + } + default: + break; + } return 0; } @@ -503,28 +295,21 @@ static int wis_tw2804_probe(struct i2c_client *client, { struct i2c_adapter *adapter = client->adapter; struct wis_tw2804 *dec; - struct v4l2_subdev *sd; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -ENODEV; - dec = kzalloc(sizeof(struct wis_tw2804), GFP_KERNEL); - + dec = kmalloc(sizeof(struct wis_tw2804), GFP_KERNEL); if (dec == NULL) return -ENOMEM; - sd = &dec->sd; - dec->update = 1; + dec->channel = -1; dec->norm = V4L2_STD_NTSC; dec->brightness = 128; dec->contrast = 128; dec->saturation = 128; dec->hue = 128; - dec->gain = 128; - dec->cr_gain = 128; - dec->b_balance = 122; - dec->r_balance = 122; - v4l2_i2c_subdev_init(sd, client, &tw2804_ops); + i2c_set_clientdata(client, dec); printk(KERN_DEBUG "wis-tw2804: creating TW2804 at address %d on %s\n", client->addr, adapter->name); @@ -534,10 +319,9 @@ static int wis_tw2804_probe(struct i2c_client *client, static int wis_tw2804_remove(struct i2c_client *client) { - struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct wis_tw2804 *dec = i2c_get_clientdata(client); - v4l2_device_unregister_subdev(sd); - kfree(to_state(sd)); + kfree(dec); return 0; } |