diff options
Diffstat (limited to 'drivers/media/i2c/adv7604.c')
| -rw-r--r-- | drivers/media/i2c/adv7604.c | 1959 |
1 files changed, 1959 insertions, 0 deletions
diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c new file mode 100644 index 000000000000..109bc9b12e74 --- /dev/null +++ b/drivers/media/i2c/adv7604.c @@ -0,0 +1,1959 @@ +/* + * adv7604 - Analog Devices ADV7604 video decoder driver + * + * Copyright 2012 Cisco Systems, Inc. and/or its affiliates. All rights reserved. + * + * This program is free software; you may redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ + +/* + * References (c = chapter, p = page): + * REF_01 - Analog devices, ADV7604, Register Settings Recommendations, + * Revision 2.5, June 2010 + * REF_02 - Analog devices, Register map documentation, Documentation of + * the register maps, Software manual, Rev. F, June 2010 + * REF_03 - Analog devices, ADV7604, Hardware Manual, Rev. F, August 2010 + */ + + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/i2c.h> +#include <linux/delay.h> +#include <linux/videodev2.h> +#include <linux/workqueue.h> +#include <linux/v4l2-dv-timings.h> +#include <media/v4l2-device.h> +#include <media/v4l2-ctrls.h> +#include <media/v4l2-chip-ident.h> +#include <media/adv7604.h> + +static int debug; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "debug level (0-2)"); + +MODULE_DESCRIPTION("Analog Devices ADV7604 video decoder driver"); +MODULE_AUTHOR("Hans Verkuil <hans.verkuil@cisco.com>"); +MODULE_AUTHOR("Mats Randgaard <mats.randgaard@cisco.com>"); +MODULE_LICENSE("GPL"); + +/* ADV7604 system clock frequency */ +#define ADV7604_fsc (28636360) + +#define DIGITAL_INPUT ((state->prim_mode == ADV7604_PRIM_MODE_HDMI_COMP) || \ + (state->prim_mode == ADV7604_PRIM_MODE_HDMI_GR)) + +/* + ********************************************************************** + * + * Arrays with configuration parameters for the ADV7604 + * + ********************************************************************** + */ +struct adv7604_state { + struct adv7604_platform_data pdata; + struct v4l2_subdev sd; + struct media_pad pad; + struct v4l2_ctrl_handler hdl; + enum adv7604_prim_mode prim_mode; + struct v4l2_dv_timings timings; + u8 edid[256]; + unsigned edid_blocks; + struct v4l2_fract aspect_ratio; + u32 rgb_quantization_range; + struct workqueue_struct *work_queues; + struct delayed_work delayed_work_enable_hotplug; + bool connector_hdmi; + + /* i2c clients */ + struct i2c_client *i2c_avlink; + struct i2c_client *i2c_cec; + struct i2c_client *i2c_infoframe; + struct i2c_client *i2c_esdp; + struct i2c_client *i2c_dpp; + struct i2c_client *i2c_afe; + struct i2c_client *i2c_repeater; + struct i2c_client *i2c_edid; + struct i2c_client *i2c_hdmi; + struct i2c_client *i2c_test; + struct i2c_client *i2c_cp; + struct i2c_client *i2c_vdp; + + /* controls */ + struct v4l2_ctrl *detect_tx_5v_ctrl; + struct v4l2_ctrl *analog_sampling_phase_ctrl; + struct v4l2_ctrl *free_run_color_manual_ctrl; + struct v4l2_ctrl *free_run_color_ctrl; + struct v4l2_ctrl *rgb_quantization_range_ctrl; +}; + +/* Supported CEA and DMT timings */ +static const struct v4l2_dv_timings adv7604_timings[] = { + V4L2_DV_BT_CEA_720X480P59_94, + V4L2_DV_BT_CEA_720X576P50, + V4L2_DV_BT_CEA_1280X720P24, + V4L2_DV_BT_CEA_1280X720P25, + V4L2_DV_BT_CEA_1280X720P30, + V4L2_DV_BT_CEA_1280X720P50, + V4L2_DV_BT_CEA_1280X720P60, + V4L2_DV_BT_CEA_1920X1080P24, + V4L2_DV_BT_CEA_1920X1080P25, + V4L2_DV_BT_CEA_1920X1080P30, + V4L2_DV_BT_CEA_1920X1080P50, + V4L2_DV_BT_CEA_1920X1080P60, + + V4L2_DV_BT_DMT_640X350P85, + V4L2_DV_BT_DMT_640X400P85, + V4L2_DV_BT_DMT_720X400P85, + V4L2_DV_BT_DMT_640X480P60, + V4L2_DV_BT_DMT_640X480P72, + V4L2_DV_BT_DMT_640X480P75, + V4L2_DV_BT_DMT_640X480P85, + V4L2_DV_BT_DMT_800X600P56, + V4L2_DV_BT_DMT_800X600P60, + V4L2_DV_BT_DMT_800X600P72, + V4L2_DV_BT_DMT_800X600P75, + V4L2_DV_BT_DMT_800X600P85, + V4L2_DV_BT_DMT_848X480P60, + V4L2_DV_BT_DMT_1024X768P60, + V4L2_DV_BT_DMT_1024X768P70, + V4L2_DV_BT_DMT_1024X768P75, + V4L2_DV_BT_DMT_1024X768P85, + V4L2_DV_BT_DMT_1152X864P75, + V4L2_DV_BT_DMT_1280X768P60_RB, + V4L2_DV_BT_DMT_1280X768P60, + V4L2_DV_BT_DMT_1280X768P75, + V4L2_DV_BT_DMT_1280X768P85, + V4L2_DV_BT_DMT_1280X800P60_RB, + V4L2_DV_BT_DMT_1280X800P60, + V4L2_DV_BT_DMT_1280X800P75, + V4L2_DV_BT_DMT_1280X800P85, + V4L2_DV_BT_DMT_1280X960P60, + V4L2_DV_BT_DMT_1280X960P85, + V4L2_DV_BT_DMT_1280X1024P60, + V4L2_DV_BT_DMT_1280X1024P75, + V4L2_DV_BT_DMT_1280X1024P85, + V4L2_DV_BT_DMT_1360X768P60, + V4L2_DV_BT_DMT_1400X1050P60_RB, + V4L2_DV_BT_DMT_1400X1050P60, + V4L2_DV_BT_DMT_1400X1050P75, + V4L2_DV_BT_DMT_1400X1050P85, + V4L2_DV_BT_DMT_1440X900P60_RB, + V4L2_DV_BT_DMT_1440X900P60, + V4L2_DV_BT_DMT_1600X1200P60, + V4L2_DV_BT_DMT_1680X1050P60_RB, + V4L2_DV_BT_DMT_1680X1050P60, + V4L2_DV_BT_DMT_1792X1344P60, + V4L2_DV_BT_DMT_1856X1392P60, + V4L2_DV_BT_DMT_1920X1200P60_RB, + V4L2_DV_BT_DMT_1366X768P60, + V4L2_DV_BT_DMT_1920X1080P60, + { }, +}; + +/* ----------------------------------------------------------------------- */ + +static inline struct adv7604_state *to_state(struct v4l2_subdev *sd) +{ + return container_of(sd, struct adv7604_state, sd); +} + +static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) +{ + return &container_of(ctrl->handler, struct adv7604_state, hdl)->sd; +} + +static inline unsigned hblanking(const struct v4l2_bt_timings *t) +{ + return t->hfrontporch + t->hsync + t->hbackporch; +} + +static inline unsigned htotal(const struct v4l2_bt_timings *t) +{ + return t->width + t->hfrontporch + t->hsync + t->hbackporch; +} + +static inline unsigned vblanking(const struct v4l2_bt_timings *t) +{ + return t->vfrontporch + t->vsync + t->vbackporch; +} + +static inline unsigned vtotal(const struct v4l2_bt_timings *t) +{ + return t->height + t->vfrontporch + t->vsync + t->vbackporch; +} + +/* ----------------------------------------------------------------------- */ + +static s32 adv_smbus_read_byte_data_check(struct i2c_client *client, + u8 command, bool check) +{ + union i2c_smbus_data data; + + if (!i2c_smbus_xfer(client->adapter, client->addr, client->flags, + I2C_SMBUS_READ, command, + I2C_SMBUS_BYTE_DATA, &data)) + return data.byte; + if (check) + v4l_err(client, "error reading %02x, %02x\n", + client->addr, command); + return -EIO; +} + +static s32 adv_smbus_read_byte_data(struct i2c_client *client, u8 command) +{ + return adv_smbus_read_byte_data_check(client, command, true); +} + +static s32 adv_smbus_write_byte_data(struct i2c_client *client, + u8 command, u8 value) +{ + union i2c_smbus_data data; + int err; + int i; + + data.byte = value; + for (i = 0; i < 3; i++) { + err = i2c_smbus_xfer(client->adapter, client->addr, + client->flags, + I2C_SMBUS_WRITE, command, + I2C_SMBUS_BYTE_DATA, &data); + if (!err) + break; + } + if (err < 0) + v4l_err(client, "error writing %02x, %02x, %02x\n", + client->addr, command, value); + return err; +} + +static s32 adv_smbus_write_i2c_block_data(struct i2c_client *client, + u8 command, unsigned length, const u8 *values) +{ + union i2c_smbus_data data; + + if (length > I2C_SMBUS_BLOCK_MAX) + length = I2C_SMBUS_BLOCK_MAX; + data.block[0] = length; + memcpy(data.block + 1, values, length); + return i2c_smbus_xfer(client->adapter, client->addr, client->flags, + I2C_SMBUS_WRITE, command, + I2C_SMBUS_I2C_BLOCK_DATA, &data); +} + +/* ----------------------------------------------------------------------- */ + +static inline int io_read(struct v4l2_subdev *sd, u8 reg) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + + return adv_smbus_read_byte_data(client, reg); +} + +static inline int io_write(struct v4l2_subdev *sd, u8 reg, u8 val) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + + return adv_smbus_write_byte_data(client, reg, val); +} + +static inline int io_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) +{ + return io_write(sd, reg, (io_read(sd, reg) & mask) | val); +} + +static inline int avlink_read(struct v4l2_subdev *sd, u8 reg) +{ + struct adv7604_state *state = to_state(sd); + + return adv_smbus_read_byte_data(state->i2c_avlink, reg); +} + +static inline int avlink_write(struct v4l2_subdev *sd, u8 reg, u8 val) +{ + struct adv7604_state *state = to_state(sd); + + return adv_smbus_write_byte_data(state->i2c_avlink, reg, val); +} + +static inline int cec_read(struct v4l2_subdev *sd, u8 reg) +{ + struct adv7604_state *state = to_state(sd); + + return adv_smbus_read_byte_data(state->i2c_cec, reg); +} + +static inline int cec_write(struct v4l2_subdev *sd, u8 reg, u8 val) +{ + struct adv7604_state *state = to_state(sd); + + return adv_smbus_write_byte_data(state->i2c_cec, reg, val); +} + +static inline int cec_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) +{ + return cec_write(sd, reg, (cec_read(sd, reg) & mask) | val); +} + +static inline int infoframe_read(struct v4l2_subdev *sd, u8 reg) +{ + struct adv7604_state *state = to_state(sd); + + return adv_smbus_read_byte_data(state->i2c_infoframe, reg); +} + +static inline int infoframe_write(struct v4l2_subdev *sd, u8 reg, u8 val) +{ + struct adv7604_state *state = to_state(sd); + + return adv_smbus_write_byte_data(state->i2c_infoframe, reg, val); +} + +static inline int esdp_read(struct v4l2_subdev *sd, u8 reg) +{ + struct adv7604_state *state = to_state(sd); + + return adv_smbus_read_byte_data(state->i2c_esdp, reg); +} + +static inline int esdp_write(struct v4l2_subdev *sd, u8 reg, u8 val) +{ + struct adv7604_state *state = to_state(sd); + + return adv_smbus_write_byte_data(state->i2c_esdp, reg, val); +} + +static inline int dpp_read(struct v4l2_subdev *sd, u8 reg) +{ + struct adv7604_state *state = to_state(sd); + + return adv_smbus_read_byte_data(state->i2c_dpp, reg); +} + +static inline int dpp_write(struct v4l2_subdev *sd, u8 reg, u8 val) +{ + struct adv7604_state *state = to_state(sd); + + return adv_smbus_write_byte_data(state->i2c_dpp, reg, val); +} + +static inline int afe_read(struct v4l2_subdev *sd, u8 reg) +{ + struct adv7604_state *state = to_state(sd); + + return adv_smbus_read_byte_data(state->i2c_afe, reg); +} + +static inline int afe_write(struct v4l2_subdev *sd, u8 reg, u8 val) +{ + struct adv7604_state *state = to_state(sd); + + return adv_smbus_write_byte_data(state->i2c_afe, reg, val); +} + +static inline int rep_read(struct v4l2_subdev *sd, u8 reg) +{ + struct adv7604_state *state = to_state(sd); + + return adv_smbus_read_byte_data(state->i2c_repeater, reg); +} + +static inline int rep_write(struct v4l2_subdev *sd, u8 reg, u8 val) +{ + struct adv7604_state *state = to_state(sd); + + return adv_smbus_write_byte_data(state->i2c_repeater, reg, val); +} + +static inline int rep_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) +{ + return rep_write(sd, reg, (rep_read(sd, reg) & mask) | val); +} + +static inline int edid_read(struct v4l2_subdev *sd, u8 reg) +{ + struct adv7604_state *state = to_state(sd); + + return adv_smbus_read_byte_data(state->i2c_edid, reg); +} + +static inline int edid_write(struct v4l2_subdev *sd, u8 reg, u8 val) +{ + struct adv7604_state *state = to_state(sd); + + return adv_smbus_write_byte_data(state->i2c_edid, reg, val); +} + +static inline int edid_read_block(struct v4l2_subdev *sd, unsigned len, u8 *val) +{ + struct adv7604_state *state = to_state(sd); + struct i2c_client *client = state->i2c_edid; + u8 msgbuf0[1] = { 0 }; + u8 msgbuf1[256]; + struct i2c_msg msg[2] = { { client->addr, 0, 1, msgbuf0 }, + { client->addr, 0 | I2C_M_RD, len, msgbuf1 } + }; + + if (i2c_transfer(client->adapter, msg, 2) < 0) + return -EIO; + memcpy(val, msgbuf1, len); + return 0; +} + +static void adv7604_delayed_work_enable_hotplug(struct work_struct *work) +{ + struct delayed_work *dwork = to_delayed_work(work); + struct adv7604_state *state = container_of(dwork, struct adv7604_state, + delayed_work_enable_hotplug); + struct v4l2_subdev *sd = &state->sd; + + v4l2_dbg(2, debug, sd, "%s: enable hotplug\n", __func__); + + v4l2_subdev_notify(sd, ADV7604_HOTPLUG, (void *)1); +} + +static inline int edid_write_block(struct v4l2_subdev *sd, + unsigned len, const u8 *val) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct adv7604_state *state = to_state(sd); + int err = 0; + int i; + + v4l2_dbg(2, debug, sd, "%s: write EDID block (%d byte)\n", __func__, len); + + v4l2_subdev_notify(sd, ADV7604_HOTPLUG, (void *)0); + + /* Disables I2C access to internal EDID ram from DDC port */ + rep_write_and_or(sd, 0x77, 0xf0, 0x0); + + for (i = 0; !err && i < len; i += I2C_SMBUS_BLOCK_MAX) + err = adv_smbus_write_i2c_block_data(state->i2c_edid, i, + I2C_SMBUS_BLOCK_MAX, val + i); + if (err) + return err; + + /* adv7604 calculates the checksums and enables I2C access to internal + EDID ram from DDC port. */ + rep_write_and_or(sd, 0x77, 0xf0, 0x1); + + for (i = 0; i < 1000; i++) { + if (rep_read(sd, 0x7d) & 1) + break; + mdelay(1); + } + if (i == 1000) { + v4l_err(client, "error enabling edid\n"); + return -EIO; + } + + /* enable hotplug after 100 ms */ + queue_delayed_work(state->work_queues, + &state->delayed_work_enable_hotplug, HZ / 10); + return 0; +} + +static inline int hdmi_read(struct v4l2_subdev *sd, u8 reg) +{ + struct adv7604_state *state = to_state(sd); + + return adv_smbus_read_byte_data(state->i2c_hdmi, reg); +} + +static inline int hdmi_write(struct v4l2_subdev *sd, u8 reg, u8 val) +{ + struct adv7604_state *state = to_state(sd); + + return adv_smbus_write_byte_data(state->i2c_hdmi, reg, val); +} + +static inline int test_read(struct v4l2_subdev *sd, u8 reg) +{ + struct adv7604_state *state = to_state(sd); + + return adv_smbus_read_byte_data(state->i2c_test, reg); +} + +static inline int test_write(struct v4l2_subdev *sd, u8 reg, u8 val) +{ + struct adv7604_state *state = to_state(sd); + + return adv_smbus_write_byte_data(state->i2c_test, reg, val); +} + +static inline int cp_read(struct v4l2_subdev *sd, u8 reg) +{ + struct adv7604_state *state = to_state(sd); + + return adv_smbus_read_byte_data(state->i2c_cp, reg); +} + +static inline int cp_write(struct v4l2_subdev *sd, u8 reg, u8 val) +{ + struct adv7604_state *state = to_state(sd); + + return adv_smbus_write_byte_data(state->i2c_cp, reg, val); +} + +static inline int cp_write_and_or(struct v4l2_subdev *sd, u8 reg, u8 mask, u8 val) +{ + return cp_write(sd, reg, (cp_read(sd, reg) & mask) | val); +} + +static inline int vdp_read(struct v4l2_subdev *sd, u8 reg) +{ + struct adv7604_state *state = to_state(sd); + + return adv_smbus_read_byte_data(state->i2c_vdp, reg); +} + +static inline int vdp_write(struct v4l2_subdev *sd, u8 reg, u8 val) +{ + struct adv7604_state *state = to_state(sd); + + return adv_smbus_write_byte_data(state->i2c_vdp, reg, val); +} + +/* ----------------------------------------------------------------------- */ + +#ifdef CONFIG_VIDEO_ADV_DEBUG +static void adv7604_inv_register(struct v4l2_subdev *sd) +{ + v4l2_info(sd, "0x000-0x0ff: IO Map\n"); + v4l2_info(sd, "0x100-0x1ff: AVLink Map\n"); + v4l2_info(sd, "0x200-0x2ff: CEC Map\n"); + v4l2_info(sd, "0x300-0x3ff: InfoFrame Map\n"); + v4l2_info(sd, "0x400-0x4ff: ESDP Map\n"); + v4l2_info(sd, "0x500-0x5ff: DPP Map\n"); + v4l2_info(sd, "0x600-0x6ff: AFE Map\n"); + v4l2_info(sd, "0x700-0x7ff: Repeater Map\n"); + v4l2_info(sd, "0x800-0x8ff: EDID Map\n"); + v4l2_info(sd, "0x900-0x9ff: HDMI Map\n"); + v4l2_info(sd, "0xa00-0xaff: Test Map\n"); + v4l2_info(sd, "0xb00-0xbff: CP Map\n"); + v4l2_info(sd, "0xc00-0xcff: VDP Map\n"); +} + +static int adv7604_g_register(struct v4l2_subdev *sd, + struct v4l2_dbg_register *reg) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + + if (!v4l2_chip_match_i2c_client(client, ®->match)) + return -EINVAL; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + reg->size = 1; + switch (reg->reg >> 8) { + case 0: + reg->val = io_read(sd, reg->reg & 0xff); + break; + case 1: + reg->val = avlink_read(sd, reg->reg & 0xff); + break; + case 2: + reg->val = cec_read(sd, reg->reg & 0xff); + break; + case 3: + reg->val = infoframe_read(sd, reg->reg & 0xff); + break; + case 4: + reg->val = esdp_read(sd, reg->reg & 0xff); + break; + case 5: + reg->val = dpp_read(sd, reg->reg & 0xff); + break; + case 6: + reg->val = afe_read(sd, reg->reg & 0xff); + break; + case 7: + reg->val = rep_read(sd, reg->reg & 0xff); + break; + case 8: + reg->val = edid_read(sd, reg->reg & 0xff); + break; + case 9: + reg->val = hdmi_read(sd, reg->reg & 0xff); + break; + case 0xa: + reg->val = test_read(sd, reg->reg & 0xff); + break; + case 0xb: + reg->val = cp_read(sd, reg->reg & 0xff); + break; + case 0xc: + reg->val = vdp_read(sd, reg->reg & 0xff); + break; + default: + v4l2_info(sd, "Register %03llx not supported\n", reg->reg); + adv7604_inv_register(sd); + break; + } + return 0; +} + +static int adv7604_s_register(struct v4l2_subdev *sd, + struct v4l2_dbg_register *reg) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + + if (!v4l2_chip_match_i2c_client(client, ®->match)) + return -EINVAL; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + switch (reg->reg >> 8) { + case 0: + io_write(sd, reg->reg & 0xff, reg->val & 0xff); + break; + case 1: + avlink_write(sd, reg->reg & 0xff, reg->val & 0xff); + break; + case 2: + cec_write(sd, reg->reg & 0xff, reg->val & 0xff); + break; + case 3: + infoframe_write(sd, reg->reg & 0xff, reg->val & 0xff); + break; + case 4: + esdp_write(sd, reg->reg & 0xff, reg->val & 0xff); + break; + case 5: + dpp_write(sd, reg->reg & 0xff, reg->val & 0xff); + break; + case 6: + afe_write(sd, reg->reg & 0xff, reg->val & 0xff); + break; + case 7: + rep_write(sd, reg->reg & 0xff, reg->val & 0xff); + break; + case 8: + edid_write(sd, reg->reg & 0xff, reg->val & 0xff); + break; + case 9: + hdmi_write(sd, reg->reg & 0xff, reg->val & 0xff); + break; + case 0xa: + test_write(sd, reg->reg & 0xff, reg->val & 0xff); + break; + case 0xb: + cp_write(sd, reg->reg & 0xff, reg->val & 0xff); + break; + case 0xc: + vdp_write(sd, reg->reg & 0xff, reg->val & 0xff); + break; + default: + v4l2_info(sd, "Register %03llx not supported\n", reg->reg); + adv7604_inv_register(sd); + break; + } + return 0; +} +#endif + +static int adv7604_s_detect_tx_5v_ctrl(struct v4l2_subdev *sd) +{ + struct adv7604_state *state = to_state(sd); + + /* port A only */ + return v4l2_ctrl_s_ctrl(state->detect_tx_5v_ctrl, + ((io_read(sd, 0x6f) & 0x10) >> 4)); +} + +static void configure_free_run(struct v4l2_subdev *sd, const struct v4l2_bt_timings *timings) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + u32 width = htotal(timings); + u32 height = vtotal(timings); + u16 ch1_fr_ll = (((u32)timings->pixelclock / 100) > 0) ? + ((width * (ADV7604_fsc / 100)) / ((u32)timings->pixelclock / 100)) : 0; + + v4l2_dbg(2, debug, sd, "%s\n", __func__); + + cp_write(sd, 0x8f, (ch1_fr_ll >> 8) & 0x7); /* CH1_FR_LL */ + cp_write(sd, 0x90, ch1_fr_ll & 0xff); /* CH1_FR_LL */ + cp_write(sd, 0xab, (height >> 4) & 0xff); /* CP_LCOUNT_MAX */ + cp_write(sd, 0xac, (height & 0x0f) << 4); /* CP_LCOUNT_MAX */ + /* TODO support interlaced */ + cp_write(sd, 0x91, 0x10); /* INTERLACED */ + + /* Should only be set in auto-graphics mode [REF_02 p. 91-92] */ + if ((io_read(sd, 0x00) == 0x07) && (io_read(sd, 0x01) == 0x02)) { + u16 cp_start_sav, cp_start_eav, cp_start_vbi, cp_end_vbi; + const u8 pll[2] = { + (0xc0 | ((width >> 8) & 0x1f)), + (width & 0xff) + }; + + /* setup PLL_DIV_MAN_EN and PLL_DIV_RATIO */ + /* IO-map reg. 0x16 and 0x17 should be written in sequence */ + if (adv_smbus_write_i2c_block_data(client, 0x16, 2, pll)) { + v4l2_err(sd, "writing to reg 0x16 and 0x17 failed\n"); + return; + } + + /* active video - horizontal timing */ + cp_start_sav = timings->hsync + timings->hbackporch - 4; + cp_start_eav = width - timings->hfrontporch; + cp_write(sd, 0xa2, (cp_start_sav >> 4) & 0xff); + cp_write(sd, 0xa3, ((cp_start_sav & 0x0f) << 4) | ((cp_start_eav >> 8) & 0x0f)); + cp_write(sd, 0xa4, cp_start_eav & 0xff); + + /* active video - vertical timing */ + cp_start_vbi = height - timings->vfrontporch; + cp_end_vbi = timings->vsync + timings->vbackporch; + cp_write(sd, 0xa5, (cp_start_vbi >> 4) & 0xff); + cp_write(sd, 0xa6, ((cp_start_vbi & 0xf) << 4) | ((cp_end_vbi >> 8) & 0xf)); + cp_write(sd, 0xa7, cp_end_vbi & 0xff); + } else { + /* reset to default values */ + io_write(sd, 0x16, 0x43); + io_write(sd, 0x17, 0x5a); + cp_write(sd, 0xa2, 0x00); + cp_write(sd, 0xa3, 0x00); + cp_write(sd, 0xa4, 0x00); + cp_write(sd, 0xa5, 0x00); + cp_write(sd, 0xa6, 0x00); + cp_write(sd, 0xa7, 0x00); + } +} + + +static void set_rgb_quantization_range(struct v4l2_subdev *sd) +{ + struct adv7604_state *state = to_state(sd); + + switch (state->rgb_quantization_range) { + case V4L2_DV_RGB_RANGE_AUTO: + /* automatic */ + if ((hdmi_read(sd, 0x05) & 0x80) || + (state->prim_mode == ADV7604_PRIM_MODE_COMP) || + (state->prim_mode == ADV7604_PRIM_MODE_RGB)) { + /* receiving HDMI or analog signal */ + io_write_and_or(sd, 0x02, 0x0f, 0xf0); + } else { + /* receiving DVI-D signal */ + + /* ADV7604 selects RGB limited range regardless of + input format (CE/IT) in automatic mode */ + if (state->timings.bt.standards & V4L2_DV_BT_STD_CEA861) { + /* RGB limited range (16-235) */ + io_write_and_or(sd, 0x02, 0x0f, 0x00); + + } else { + /* RGB full range (0-255) */ + io_write_and_or(sd, 0x02, 0x0f, 0x10); + } + } + break; + case V4L2_DV_RGB_RANGE_LIMITED: + /* RGB limited range (16-235) */ + io_write_and_or(sd, 0x02, 0x0f, 0x00); + break; + case V4L2_DV_RGB_RANGE_FULL: + /* RGB full range (0-255) */ + io_write_and_or(sd, 0x02, 0x0f, 0x10); + break; + } +} + + +static int adv7604_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct v4l2_subdev *sd = to_sd(ctrl); + struct adv7604_state *state = to_state(sd); + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + cp_write(sd, 0x3c, ctrl->val); + return 0; + case V4L2_CID_CONTRAST: + cp_write(sd, 0x3a, ctrl->val); + return 0; + case V4L2_CID_SATURATION: + cp_write(sd, 0x3b, ctrl->val); + return 0; + case V4L2_CID_HUE: + cp_write(sd, 0x3d, ctrl->val); + return 0; + case V4L2_CID_DV_RX_RGB_RANGE: + state->rgb_quantization_range = ctrl->val; + set_rgb_quantization_range(sd); + return 0; + case V4L2_CID_ADV_RX_ANALOG_SAMPLING_PHASE: + /* Set the analog sampling phase. This is needed to find the + best sampling phase for analog video: an application or + driver has to try a number of phases and analyze the picture + quality before settling on the best performing phase. */ + afe_write(sd, 0xc8, ctrl->val); + return 0; + case V4L2_CID_ADV_RX_FREE_RUN_COLOR_MANUAL: + /* Use the default blue color for free running mode, + or supply your own. */ + cp_write_and_or(sd, 0xbf, ~0x04, (ctrl->val << 2)); + return 0; + case V4L2_CID_ADV_RX_FREE_RUN_COLOR: + cp_write(sd, 0xc0, (ctrl->val & 0xff0000) >> 16); + cp_write(sd, 0xc1, (ctrl->val & 0x00ff00) >> 8); + cp_write(sd, 0xc2, (u8)(ctrl->val & 0x0000ff)); + return 0; + } + return -EINVAL; +} + +static int adv7604_g_chip_ident(struct v4l2_subdev *sd, + struct v4l2_dbg_chip_ident *chip) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + + return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_ADV7604, 0); +} + +/* ----------------------------------------------------------------------- */ + +static inline bool no_power(struct v4l2_subdev *sd) +{ + /* Entire chip or CP powered off */ + return io_read(sd, 0x0c) & 0x24; +} + +static inline bool no_signal_tmds(struct v4l2_subdev *sd) +{ + /* TODO port B, C and D */ + return !(io_read(sd, 0x6a) & 0x10); +} + +static inline bool no_lock_tmds(struct v4l2_subdev *sd) +{ + return (io_read(sd, 0x6a) & 0xe0) != 0xe0; +} + +static inline bool no_lock_sspd(struct v4l2_subdev *sd) +{ + /* TODO channel 2 */ + return ((cp_read(sd, 0xb5) & 0xd0) != 0xd0); +} + +static inline bool no_lock_stdi(struct v4l2_subdev *sd) +{ + /* TODO channel 2 */ + return !(cp_read(sd, 0xb1) & 0x80); +} + +static inline bool no_signal(struct v4l2_subdev *sd) +{ + struct adv7604_state *state = to_state(sd); + bool ret; + + ret = no_power(sd); + + ret |= no_lock_stdi(sd); + ret |= no_lock_sspd(sd); + + if (DIGITAL_INPUT) { + ret |= no_lock_tmds(sd); + ret |= no_signal_tmds(sd); + } + + return ret; +} + +static inline bool no_lock_cp(struct v4l2_subdev *sd) +{ + /* CP has detected a non standard number of lines on the incoming + video compared to what it is configured to receive by s_dv_timings */ + return io_read(sd, 0x12) & 0x01; +} + +static int adv7604_g_input_status(struct v4l2_subdev *sd, u32 *status) +{ + struct adv7604_state *state = to_state(sd); + + *status = 0; + *status |= no_power(sd) ? V4L2_IN_ST_NO_POWER : 0; + *status |= no_signal(sd) ? V4L2_IN_ST_NO_SIGNAL : 0; + if (no_lock_cp(sd)) + *status |= DIGITAL_INPUT ? V4L2_IN_ST_NO_SYNC : V4L2_IN_ST_NO_H_LOCK; + + v4l2_dbg(1, debug, sd, "%s: status = 0x%x\n", __func__, *status); + + return 0; +} + +/* ----------------------------------------------------------------------- */ + +static void adv7604_print_timings(struct v4l2_subdev *sd, + struct v4l2_dv_timings *timings, const char *txt, bool detailed) +{ + struct v4l2_bt_timings *bt = &timings->bt; + u32 htot, vtot; + + if (timings->type != V4L2_DV_BT_656_1120) + return; + + htot = htotal(bt); + vtot = vtotal(bt); + + v4l2_info(sd, "%s %dx%d%s%d (%dx%d)", + txt, bt->width, bt->height, bt->interlaced ? "i" : "p", + (htot * vtot) > 0 ? ((u32)bt->pixelclock / + (htot * vtot)) : 0, + htot, vtot); + + if (detailed) { + v4l2_info(sd, " horizontal: fp = %d, %ssync = %d, bp = %d\n", + bt->hfrontporch, + (bt->polarities & V4L2_DV_HSYNC_POS_POL) ? "+" : "-", + bt->hsync, bt->hbackporch); + v4l2_info(sd, " vertical: fp = %d, %ssync = %d, bp = %d\n", + bt->vfrontporch, + (bt->polarities & V4L2_DV_VSYNC_POS_POL) ? "+" : "-", + bt->vsync, bt->vbackporch); + v4l2_info(sd, " pixelclock: %lld, flags: 0x%x, standards: 0x%x\n", + bt->pixelclock, bt->flags, bt->standards); + } +} + +struct stdi_readback { + u16 bl, lcf, lcvs; + u8 hs_pol, vs_pol; + bool interlaced; +}; + +static int stdi2dv_timings(struct v4l2_subdev *sd, + struct stdi_readback *stdi, + struct v4l2_dv_timings *timings) +{ + struct adv7604_state *state = to_state(sd); + u32 hfreq = (ADV7604_fsc * 8) / stdi->bl; + u32 pix_clk; + int i; + + for (i = 0; adv7604_timings[i].bt.height; i++) { + if (vtotal(&adv7604_timings[i].bt) != stdi->lcf + 1) + continue; + if (adv7604_timings[i].bt.vsync != stdi->lcvs) + continue; + + pix_clk = hfreq * htotal(&adv7604_timings[i].bt); + + if ((pix_clk < adv7604_timings[i].bt.pixelclock + 1000000) && + (pix_clk > adv7604_timings[i].bt.pixelclock - 1000000)) { + *timings = adv7604_timings[i]; + return 0; + } + } + + if (v4l2_detect_cvt(stdi->lcf + 1, hfreq, stdi->lcvs, + (stdi->hs_pol == '+' ? V4L2_DV_HSYNC_POS_POL : 0) | + (stdi->vs_pol == '+' ? V4L2_DV_VSYNC_POS_POL : 0), + timings)) + return 0; + if (v4l2_detect_gtf(stdi->lcf + 1, hfreq, stdi->lcvs, + (stdi->hs_pol == '+' ? V4L2_DV_HSYNC_POS_POL : 0) | + (stdi->vs_pol == '+' ? V4L2_DV_VSYNC_POS_POL : 0), + state->aspect_ratio, timings)) + return 0; + + v4l2_dbg(2, debug, sd, "%s: No format candidate found for lcf=%d, bl = %d\n", + __func__, stdi->lcf, stdi->bl); + return -1; +} + +static int read_stdi(struct v4l2_subdev *sd, struct stdi_readback *stdi) +{ + if (no_lock_stdi(sd) || no_lock_sspd(sd)) { + v4l2_dbg(2, debug, sd, "%s: STDI and/or SSPD not locked\n", __func__); + return -1; + } + + /* read STDI */ + stdi->bl = ((cp_read(sd, 0xb1) & 0x3f) << 8) | cp_read(sd, 0xb2); + stdi->lcf = ((cp_read(sd, 0xb3) & 0x7) << 8) | cp_read(sd, 0xb4); + stdi->lcvs = cp_read(sd, 0xb3) >> 3; + stdi->interlaced = io_read(sd, 0x12) & 0x10; + + /* read SSPD */ + if ((cp_read(sd, 0xb5) & 0x03) == 0x01) { + stdi->hs_pol = ((cp_read(sd, 0xb5) & 0x10) ? + ((cp_read(sd, 0xb5) & 0x08) ? '+' : '-') : 'x'); + stdi->vs_pol = ((cp_read(sd, 0xb5) & 0x40) ? + ((cp_read(sd, 0xb5) & 0x20) ? '+' : '-') : 'x'); + } else { + stdi->hs_pol = 'x'; + stdi->vs_pol = 'x'; + } + + if (no_lock_stdi(sd) || no_lock_sspd(sd)) { + v4l2_dbg(2, debug, sd, + "%s: signal lost during readout of STDI/SSPD\n", __func__); + return -1; + } + + if (stdi->lcf < 239 || stdi->bl < 8 || stdi->bl == 0x3fff) { + v4l2_dbg(2, debug, sd, "%s: invalid signal\n", __func__); + memset(stdi, 0, sizeof(struct stdi_readback)); + return -1; + } + + v4l2_dbg(2, debug, sd, + "%s: lcf (frame height - 1) = %d, bl = %d, lcvs (vsync) = %d, %chsync, %cvsync, %s\n", + __func__, stdi->lcf, stdi->bl, stdi->lcvs, + stdi->hs_pol, stdi->vs_pol, + stdi->interlaced ? "interlaced" : "progressive"); + + return 0; +} + +static int adv7604_enum_dv_timings(struct v4l2_subdev *sd, + struct v4l2_enum_dv_timings *timings) +{ + if (timings->index >= ARRAY_SIZE(adv7604_timings) - 1) + return -EINVAL; + memset(timings->reserved, 0, sizeof(timings->reserved)); + timings->timings = adv7604_timings[timings->index]; + return 0; +} + +static int adv7604_dv_timings_cap(struct v4l2_subdev *sd, + struct v4l2_dv_timings_cap *cap) +{ + struct adv7604_state *state = to_state(sd); + + cap->type = V4L2_DV_BT_656_1120; + cap->bt.max_width = 1920; + cap->bt.max_height = 1200; + cap->bt.min_pixelclock = 27000000; + if (DIGITAL_INPUT) + cap->bt.max_pixelclock = 225000000; + else + cap->bt.max_pixelclock = 170000000; + cap->bt.standards = V4L2_DV_BT_STD_CEA861 | V4L2_DV_BT_STD_DMT | + V4L2_DV_BT_STD_GTF | V4L2_DV_BT_STD_CVT; + cap->bt.capabilities = V4L2_DV_BT_CAP_PROGRESSIVE | + V4L2_DV_BT_CAP_REDUCED_BLANKING | V4L2_DV_BT_CAP_CUSTOM; + return 0; +} + +/* Fill the optional fields .standards and .flags in struct v4l2_dv_timings + if the format is listed in adv7604_timings[] */ +static void adv7604_fill_optional_dv_timings_fields(struct v4l2_subdev *sd, + struct v4l2_dv_timings *timings) +{ + struct adv7604_state *state = to_state(sd); + int i; + + for (i = 0; adv7604_timings[i].bt.width; i++) { + if (v4l_match_dv_timings(timings, &adv7604_timings[i], + DIGITAL_INPUT ? 250000 : 1000000)) { + *timings = adv7604_timings[i]; + break; + } + } +} + +static int adv7604_query_dv_timings(struct v4l2_subdev *sd, + struct v4l2_dv_timings *timings) +{ + struct adv7604_state *state = to_state(sd); + struct v4l2_bt_timings *bt = &timings->bt; + struct stdi_readback stdi; + + if (!timings) + return -EINVAL; + + memset(timings, 0, sizeof(struct v4l2_dv_timings)); + + if (no_signal(sd)) { + v4l2_dbg(1, debug, sd, "%s: no valid signal\n", __func__); + return -ENOLINK; + } + + /* read STDI */ + if (read_stdi(sd, &stdi)) { + v4l2_dbg(1, debug, sd, "%s: STDI/SSPD not locked\n", __func__); + return -ENOLINK; + } + bt->interlaced = stdi.interlaced ? + V4L2_DV_INTERLACED : V4L2_DV_PROGRESSIVE; + + if (DIGITAL_INPUT) { + timings->type = V4L2_DV_BT_656_1120; + + bt->width = (hdmi_read(sd, 0x07) & 0x0f) * 256 + hdmi_read(sd, 0x08); + bt->height = (hdmi_read(sd, 0x09) & 0x0f) * 256 + hdmi_read(sd, 0x0a); + bt->pixelclock = (hdmi_read(sd, 0x06) * 1000000) + + ((hdmi_read(sd, 0x3b) & 0x30) >> 4) * 250000; + bt->hfrontporch = (hdmi_read(sd, 0x20) & 0x03) * 256 + + hdmi_read(sd, 0x21); + bt->hsync = (hdmi_read(sd, 0x22) & 0x03) * 256 + + hdmi_read(sd, 0x23); + bt->hbackporch = (hdmi_read(sd, 0x24) & 0x03) * 256 + + hdmi_read(sd, 0x25); + bt->vfrontporch = ((hdmi_read(sd, 0x2a) & 0x1f) * 256 + + hdmi_read(sd, 0x2b)) / 2; + bt->vsync = ((hdmi_read(sd, 0x2e) & 0x1f) * 256 + + hdmi_read(sd, 0x2f)) / 2; + bt->vbackporch = ((hdmi_read(sd, 0x32) & 0x1f) * 256 + + hdmi_read(sd, 0x33)) / 2; + bt->polarities = ((hdmi_read(sd, 0x05) & 0x10) ? V4L2_DV_VSYNC_POS_POL : 0) | + ((hdmi_read(sd, 0x05) & 0x20) ? V4L2_DV_HSYNC_POS_POL : 0); + if (bt->interlaced == V4L2_DV_INTERLACED) { + bt->height += (hdmi_read(sd, 0x0b) & 0x0f) * 256 + + hdmi_read(sd, 0x0c); + bt->il_vfrontporch = ((hdmi_read(sd, 0x2c) & 0x1f) * 256 + + hdmi_read(sd, 0x2d)) / 2; + bt->il_vsync = ((hdmi_read(sd, 0x30) & 0x1f) * 256 + + hdmi_read(sd, 0x31)) / 2; + bt->vbackporch = ((hdmi_read(sd, 0x34) & 0x1f) * 256 + + hdmi_read(sd, 0x35)) / 2; + } + adv7604_fill_optional_dv_timings_fields(sd, timings); + } else { + /* find format + * Since LCVS values are inaccurate (REF_03, page 275-276), + * stdi2dv_timings() is called with lcvs +-1 if the first attempt fails. + */ + if (!stdi2dv_timings(sd, &stdi, timings)) + goto found; + stdi.lcvs += 1; + v4l2_dbg(1, debug, sd, "%s: lcvs + 1 = %d\n", __func__, stdi.lcvs); + if (!stdi2dv_timings(sd, &stdi, timings)) + goto found; + stdi.lcvs -= 2; + v4l2_dbg(1, debug, sd, "%s: lcvs - 1 = %d\n", __func__, stdi.lcvs); + if (stdi2dv_timings(sd, &stdi, timings)) { + v4l2_dbg(1, debug, sd, "%s: format not supported\n", __func__); + return -ERANGE; + } + } +found: + + if (no_signal(sd)) { + v4l2_dbg(1, debug, sd, "%s: signal lost during readout\n", __func__); + memset(timings, 0, sizeof(struct v4l2_dv_timings)); + return -ENOLINK; + } + + if ((!DIGITAL_INPUT && bt->pixelclock > 170000000) || + (DIGITAL_INPUT && bt->pixelclock > 225000000)) { + v4l2_dbg(1, debug, sd, "%s: pixelclock out of range %d\n", + __func__, (u32)bt->pixelclock); + return -ERANGE; + } + + if (debug > 1) + adv7604_print_timings(sd, timings, + "adv7604_query_dv_timings:", true); + + return 0; +} + +static int adv7604_s_dv_timings(struct v4l2_subdev *sd, + struct v4l2_dv_timings *timings) +{ + struct adv7604_state *state = to_state(sd); + struct v4l2_bt_timings *bt; + + if (!timings) + return -EINVAL; + + bt = &timings->bt; + + if ((!DIGITAL_INPUT && bt->pixelclock > 170000000) || + (DIGITAL_INPUT && bt->pixelclock > 225000000)) { + v4l2_dbg(1, debug, sd, "%s: pixelclock out of range %d\n", + __func__, (u32)bt->pixelclock); + return -ERANGE; + } + adv7604_fill_optional_dv_timings_fields(sd, timings); + + state->timings = *timings; + + /* freerun */ + configure_free_run(sd, bt); + + set_rgb_quantization_range(sd); + + + if (debug > 1) + adv7604_print_timings(sd, timings, + "adv7604_s_dv_timings:", true); + return 0; +} + +static int adv7604_g_dv_timings(struct v4l2_subdev *sd, + struct v4l2_dv_timings *timings) +{ + struct adv7604_state *state = to_state(sd); + + *timings = state->timings; + return 0; +} + +static void enable_input(struct v4l2_subdev *sd, enum adv7604_prim_mode prim_mode) +{ + switch (prim_mode) { + case ADV7604_PRIM_MODE_COMP: + case ADV7604_PRIM_MODE_RGB: + /* enable */ + io_write(sd, 0x15, 0xb0); /* Disable Tristate of Pins (no audio) */ + break; + case ADV7604_PRIM_MODE_HDMI_COMP: + case ADV7604_PRIM_MODE_HDMI_GR: + /* enable */ + hdmi_write(sd, 0x1a, 0x0a); /* Unmute audio */ + hdmi_write(sd, 0x01, 0x00); /* Enable HDMI clock terminators */ + io_write(sd, 0x15, 0xa0); /* Disable Tristate of Pins */ + break; + default: + v4l2_err(sd, "%s: reserved primary mode 0x%0x\n", + __func__, prim_mode); + break; + } +} + +static void disable_input(struct v4l2_subdev *sd) +{ + /* disable */ + io_write(sd, 0x15, 0xbe); /* Tristate all outputs from video core */ + hdmi_write(sd, 0x1a, 0x1a); /* Mute audio */ + hdmi_write(sd, 0x01, 0x78); /* Disable HDMI clock terminators */ +} + +static void select_input(struct v4l2_subdev *sd, enum adv7604_prim_mode prim_mode) +{ + switch (prim_mode) { + case ADV7604_PRIM_MODE_COMP: + case ADV7604_PRIM_MODE_RGB: + /* set mode and select free run resolution */ + io_write(sd, 0x00, 0x07); /* video std */ + io_write(sd, 0x01, 0x02); /* prim mode */ + /* enable embedded syncs for auto graphics mode */ + cp_write_and_or(sd, 0x81, 0xef, 0x10); + + /* reset ADI recommended settings for HDMI: */ + /* "ADV7604 Register Settings Recommendations (rev. 2.5, June 2010)" p. 4. */ + hdmi_write(sd, 0x0d, 0x04); /* HDMI filter optimization */ + hdmi_write(sd, 0x3d, 0x00); /* DDC bus active pull-up control */ + hdmi_write(sd, 0x3e, 0x74); /* TMDS PLL optimization */ + hdmi_write(sd, 0x4e, 0x3b); /* TMDS PLL optimization */ + hdmi_write(sd, 0x57, 0x74); /* TMDS PLL optimization */ + hdmi_write(sd, 0x58, 0x63); /* TMDS PLL optimization */ + hdmi_write(sd, 0x8d, 0x18); /* equaliser */ + hdmi_write(sd, 0x8e, 0x34); /* equaliser */ + hdmi_write(sd, 0x93, 0x88); /* equaliser */ + hdmi_write(sd, 0x94, 0x2e); /* equaliser */ + hdmi_write(sd, 0x96, 0x00); /* enable automatic EQ changing */ + + afe_write(sd, 0x00, 0x08); /* power up ADC */ + afe_write(sd, 0x01, 0x06); /* power up Analog Front End */ + afe_write(sd, 0xc8, 0x00); /* phase control */ + + /* set ADI recommended settings for digitizer */ + /* "ADV7604 Register Settings Recommendations (rev. 2.5, June 2010)" p. 17. */ + afe_write(sd, 0x12, 0x7b); /* ADC noise shaping filter controls */ + afe_write(sd, 0x0c, 0x1f); /* CP core gain controls */ + cp_write(sd, 0x3e, 0x04); /* CP core pre-gain control */ + cp_write(sd, 0xc3, 0x39); /* CP coast control. Graphics mode */ + cp_write(sd, 0x40, 0x5c); /* CP core pre-gain control. Graphics mode */ + break; + + case ADV7604_PRIM_MODE_HDMI_COMP: + case ADV7604_PRIM_MODE_HDMI_GR: + /* set mode and select free run resolution */ + /* video std */ + io_write(sd, 0x00, + (prim_mode == ADV7604_PRIM_MODE_HDMI_GR) ? 0x02 : 0x1e); + io_write(sd, 0x01, prim_mode); /* prim mode */ + /* disable embedded syncs for auto graphics mode */ + cp_write_and_or(sd, 0x81, 0xef, 0x00); + + /* set ADI recommended settings for HDMI: */ + /* "ADV7604 Register Settings Recommendations (rev. 2.5, June 2010)" p. 4. */ + hdmi_write(sd, 0x0d, 0x84); /* HDMI filter optimization */ + hdmi_write(sd, 0x3d, 0x10); /* DDC bus active pull-up control */ + hdmi_write(sd, 0x3e, 0x39); /* TMDS PLL optimization */ + hdmi_write(sd, 0x4e, 0x3b); /* TMDS PLL optimization */ + hdmi_write(sd, 0x57, 0xb6); /* TMDS PLL optimization */ + hdmi_write(sd, 0x58, 0x03); /* TMDS PLL optimization */ + hdmi_write(sd, 0x8d, 0x18); /* equaliser */ + hdmi_write(sd, 0x8e, 0x34); /* equaliser */ + hdmi_write(sd, 0x93, 0x8b); /* equaliser */ + hdmi_write(sd, 0x94, 0x2d); /* equaliser */ + hdmi_write(sd, 0x96, 0x01); /* enable automatic EQ changing */ + + afe_write(sd, 0x00, 0xff); /* power down ADC */ + afe_write(sd, 0x01, 0xfe); /* power down Analog Front End */ + afe_write(sd, 0xc8, 0x40); /* phase control */ + + /* reset ADI recommended settings for digitizer */ + /* "ADV7604 Register Settings Recommendations (rev. 2.5, June 2010)" p. 17. */ + afe_write(sd, 0x12, 0xfb); /* ADC noise shaping filter controls */ + afe_write(sd, 0x0c, 0x0d); /* CP core gain controls */ + cp_write(sd, 0x3e, 0x00); /* CP core pre-gain control */ + cp_write(sd, 0xc3, 0x39); /* CP coast control. Graphics mode */ + cp_write(sd, 0x40, 0x80); /* CP core pre-gain control. Graphics mode */ + + break; + default: + v4l2_err(sd, "%s: reserved primary mode 0x%0x\n", __func__, prim_mode); + break; + } +} + +static int adv7604_s_routing(struct v4l2_subdev *sd, + u32 input, u32 output, u32 config) +{ + struct adv7604_state *state = to_state(sd); + + v4l2_dbg(2, debug, sd, "%s: input %d", __func__, input); + + switch (input) { + case 0: + /* TODO select HDMI_COMP or HDMI_GR */ + state->prim_mode = ADV7604_PRIM_MODE_HDMI_COMP; + break; + case 1: + state->prim_mode = ADV7604_PRIM_MODE_RGB; + break; + case 2: + state->prim_mode = ADV7604_PRIM_MODE_COMP; + break; + default: + return -EINVAL; + } + + disable_input(sd); + + select_input(sd, state->prim_mode); + + enable_input(sd, state->prim_mode); + + return 0; +} + +static int adv7604_enum_mbus_fmt(struct v4l2_subdev *sd, unsigned int index, + enum v4l2_mbus_pixelcode *code) +{ + if (index) + return -EINVAL; + /* Good enough for now */ + *code = V4L2_MBUS_FMT_FIXED; + return 0; +} + +static int adv7604_g_mbus_fmt(struct v4l2_subdev *sd, + struct v4l2_mbus_framefmt *fmt) +{ + struct adv7604_state *state = to_state(sd); + + fmt->width = state->timings.bt.width; + fmt->height = state->timings.bt.height; + fmt->code = V4L2_MBUS_FMT_FIXED; + fmt->field = V4L2_FIELD_NONE; + if (state->timings.bt.standards & V4L2_DV_BT_STD_CEA861) { + fmt->colorspace = (state->timings.bt.height <= 576) ? + V4L2_COLORSPACE_SMPTE170M : V4L2_COLORSPACE_REC709; + } + return 0; +} + +static int adv7604_isr(struct v4l2_subdev *sd, u32 status, bool *handled) +{ + struct adv7604_state *state = to_state(sd); + u8 fmt_change, fmt_change_digital, tx_5v; + + /* format change */ + fmt_change = io_read(sd, 0x43) & 0x98; + if (fmt_change) + io_write(sd, 0x44, fmt_change); + fmt_change_digital = DIGITAL_INPUT ? (io_read(sd, 0x6b) & 0xc0) : 0; + if (fmt_change_digital) + io_write(sd, 0x6c, fmt_change_digital); + if (fmt_change || fmt_change_digital) { + v4l2_dbg(1, debug, sd, + "%s: ADV7604_FMT_CHANGE, fmt_change = 0x%x, fmt_change_digital = 0x%x\n", + __func__, fmt_change, fmt_change_digital); + v4l2_subdev_notify(sd, ADV7604_FMT_CHANGE, NULL); + if (handled) + *handled = true; + } + /* tx 5v detect */ + tx_5v = io_read(sd, 0x70) & 0x10; + if (tx_5v) { + v4l2_dbg(1, debug, sd, "%s: tx_5v: 0x%x\n", __func__, tx_5v); + io_write(sd, 0x71, tx_5v); + adv7604_s_detect_tx_5v_ctrl(sd); + if (handled) + *handled = true; + } + return 0; +} + +static int adv7604_get_edid(struct v4l2_subdev *sd, struct v4l2_subdev_edid *edid) +{ + struct adv7604_state *state = to_state(sd); + + if (edid->pad != 0) + return -EINVAL; + if (edid->blocks == 0) + return -EINVAL; + if (edid->start_block >= state->edid_blocks) + return -EINVAL; + if (edid->start_block + edid->blocks > state->edid_blocks) + edid->blocks = state->edid_blocks - edid->start_block; + if (!edid->edid) + return -EINVAL; + memcpy(edid->edid + edid->start_block * 128, + state->edid + edid->start_block * 128, + edid->blocks * 128); + return 0; +} + +static int adv7604_set_edid(struct v4l2_subdev *sd, struct v4l2_subdev_edid *edid) +{ + struct adv7604_state *state = to_state(sd); + int err; + + if (edid->pad != 0) + return -EINVAL; + if (edid->start_block != 0) + return -EINVAL; + if (edid->blocks == 0) { + /* Pull down the hotplug pin */ + v4l2_subdev_notify(sd, ADV7604_HOTPLUG, (void *)0); + /* Disables I2C access to internal EDID ram from DDC port */ + rep_write_and_or(sd, 0x77, 0xf0, 0x0); + state->edid_blocks = 0; + /* Fall back to a 16:9 aspect ratio */ + state->aspect_ratio.numerator = 16; + state->aspect_ratio.denominator = 9; + return 0; + } + if (edid->blocks > 2) + return -E2BIG; + if (!edid->edid) + return -EINVAL; + memcpy(state->edid, edid->edid, 128 * edid->blocks); + state->edid_blocks = edid->blocks; + state->aspect_ratio = v4l2_calc_aspect_ratio(edid->edid[0x15], + edid->edid[0x16]); + err = edid_write_block(sd, 128 * edid->blocks, state->edid); + if (err < 0) + v4l2_err(sd, "error %d writing edid\n", err); + return err; +} + +/*********** avi info frame CEA-861-E **************/ + +static void print_avi_infoframe(struct v4l2_subdev *sd) +{ + int i; + u8 buf[14]; + u8 avi_len; + u8 avi_ver; + + if (!(hdmi_read(sd, 0x05) & 0x80)) { + v4l2_info(sd, "receive DVI-D signal (AVI infoframe not supported)\n"); + return; + } + if (!(io_read(sd, 0x60) & 0x01)) { + v4l2_info(sd, "AVI infoframe not received\n"); + return; + } + + if (io_read(sd, 0x83) & 0x01) { + v4l2_info(sd, "AVI infoframe checksum error has occurred earlier\n"); + io_write(sd, 0x85, 0x01); /* clear AVI_INF_CKS_ERR_RAW */ + if (io_read(sd, 0x83) & 0x01) { + v4l2_info(sd, "AVI infoframe checksum error still present\n"); + io_write(sd, 0x85, 0x01); /* clear AVI_INF_CKS_ERR_RAW */ + } + } + + avi_len = infoframe_read(sd, 0xe2); + avi_ver = infoframe_read(sd, 0xe1); + v4l2_info(sd, "AVI infoframe version %d (%d byte)\n", + avi_ver, avi_len); + + if (avi_ver != 0x02) + return; + + for (i = 0; i < 14; i++) + buf[i] = infoframe_read(sd, i); + + v4l2_info(sd, + "\t%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n", + buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6], buf[7], + buf[8], buf[9], buf[10], buf[11], buf[12], buf[13]); +} + +static int adv7604_log_status(struct v4l2_subdev *sd) +{ + struct adv7604_state *state = to_state(sd); + struct v4l2_dv_timings timings; + struct stdi_readback stdi; + u8 reg_io_0x02 = io_read(sd, 0x02); + + char *csc_coeff_sel_rb[16] = { + "bypassed", "YPbPr601 -> RGB", "reserved", "YPbPr709 -> RGB", + "reserved", "RGB -> YPbPr601", "reserved", "RGB -> YPbPr709", + "reserved", "YPbPr709 -> YPbPr601", "YPbPr601 -> YPbPr709", + "reserved", "reserved", "reserved", "reserved", "manual" + }; + char *input_color_space_txt[16] = { + "RGB limited range (16-235)", "RGB full range (0-255)", + "YCbCr Bt.601 (16-235)", "YCbCr Bt.709 (16-235)", + "XvYCC Bt.601", "XvYCC Bt.709", + "YCbCr Bt.601 (0-255)", "YCbCr Bt.709 (0-255)", + "invalid", "invalid", "invalid", "invalid", "invalid", + "invalid", "invalid", "automatic" + }; + char *rgb_quantization_range_txt[] = { + "Automatic", + "RGB limited range (16-235)", + "RGB full range (0-255)", + }; + + v4l2_info(sd, "-----Chip status-----\n"); + v4l2_info(sd, "Chip power: %s\n", no_power(sd) ? "off" : "on"); + v4l2_info(sd, "Connector type: %s\n", state->connector_hdmi ? + "HDMI" : (DIGITAL_INPUT ? "DVI-D" : "DVI-A")); + v4l2_info(sd, "EDID: %s\n", ((rep_read(sd, 0x7d) & 0x01) && + (rep_read(sd, 0x77) & 0x01)) ? "enabled" : "disabled "); + v4l2_info(sd, "CEC: %s\n", !!(cec_read(sd, 0x2a) & 0x01) ? + "enabled" : "disabled"); + + v4l2_info(sd, "-----Signal status-----\n"); + v4l2_info(sd, "Cable detected (+5V power): %s\n", + (io_read(sd, 0x6f) & 0x10) ? "true" : "false"); + v4l2_info(sd, "TMDS signal detected: %s\n", + no_signal_tmds(sd) ? "false" : "true"); + v4l2_info(sd, "TMDS signal locked: %s\n", + no_lock_tmds(sd) ? "false" : "true"); + v4l2_info(sd, "SSPD locked: %s\n", no_lock_sspd(sd) ? "false" : "true"); + v4l2_info(sd, "STDI locked: %s\n", no_lock_stdi(sd) ? "false" : "true"); + v4l2_info(sd, "CP locked: %s\n", no_lock_cp(sd) ? "false" : "true"); + v4l2_info(sd, "CP free run: %s\n", + (!!(cp_read(sd, 0xff) & 0x10) ? "on" : "off")); + v4l2_info(sd, "Prim-mode = 0x%x, video std = 0x%x\n", + io_read(sd, 0x01) & 0x0f, io_read(sd, 0x00) & 0x3f); + + v4l2_info(sd, "-----Video Timings-----\n"); + if (read_stdi(sd, &stdi)) + v4l2_info(sd, "STDI: not locked\n"); + else + v4l2_info(sd, "STDI: lcf (frame height - 1) = %d, bl = %d, lcvs (vsync) = %d, %s, %chsync, %cvsync\n", + stdi.lcf, stdi.bl, stdi.lcvs, + stdi.interlaced ? "interlaced" : "progressive", + stdi.hs_pol, stdi.vs_pol); + if (adv7604_query_dv_timings(sd, &timings)) + v4l2_info(sd, "No video detected\n"); + else + adv7604_print_timings(sd, &timings, "Detected format:", true); + adv7604_print_timings(sd, &state->timings, "Configured format:", true); + + v4l2_info(sd, "-----Color space-----\n"); + v4l2_info(sd, "RGB quantization range ctrl: %s\n", + rgb_quantization_range_txt[state->rgb_quantization_range]); + v4l2_info(sd, "Input color space: %s\n", + input_color_space_txt[reg_io_0x02 >> 4]); + v4l2_info(sd, "Output color space: %s %s, saturator %s\n", + (reg_io_0x02 & 0x02) ? "RGB" : "YCbCr", + (reg_io_0x02 & 0x04) ? "(16-235)" : "(0-255)", + ((reg_io_0x02 & 0x04) ^ (reg_io_0x02 & 0x01)) ? + "enabled" : "disabled"); + v4l2_info(sd, "Color space conversion: %s\n", + csc_coeff_sel_rb[cp_read(sd, 0xfc) >> 4]); + + /* Digital video */ + if (DIGITAL_INPUT) { + v4l2_info(sd, "-----HDMI status-----\n"); + v4l2_info(sd, "HDCP encrypted content: %s\n", + hdmi_read(sd, 0x05) & 0x40 ? "true" : "false"); + + print_avi_infoframe(sd); + } + + return 0; +} + +/* ----------------------------------------------------------------------- */ + +static const struct v4l2_ctrl_ops adv7604_ctrl_ops = { + .s_ctrl = adv7604_s_ctrl, +}; + +static const struct v4l2_subdev_core_ops adv7604_core_ops = { + .log_status = adv7604_log_status, + .g_ext_ctrls = v4l2_subdev_g_ext_ctrls, + .try_ext_ctrls = v4l2_subdev_try_ext_ctrls, + .s_ext_ctrls = v4l2_subdev_s_ext_ctrls, + .g_ctrl = v4l2_subdev_g_ctrl, + .s_ctrl = v4l2_subdev_s_ctrl, + .queryctrl = v4l2_subdev_queryctrl, + .querymenu = v4l2_subdev_querymenu, + .g_chip_ident = adv7604_g_chip_ident, + .interrupt_service_routine = adv7604_isr, +#ifdef CONFIG_VIDEO_ADV_DEBUG + .g_register = adv7604_g_register, + .s_register = adv7604_s_register, +#endif +}; + +static const struct v4l2_subdev_video_ops adv7604_video_ops = { + .s_routing = adv7604_s_routing, + .g_input_status = adv7604_g_input_status, + .s_dv_timings = adv7604_s_dv_timings, + .g_dv_timings = adv7604_g_dv_timings, + .query_dv_timings = adv7604_query_dv_timings, + .enum_dv_timings = adv7604_enum_dv_timings, + .dv_timings_cap = adv7604_dv_timings_cap, + .enum_mbus_fmt = adv7604_enum_mbus_fmt, + .g_mbus_fmt = adv7604_g_mbus_fmt, + .try_mbus_fmt = adv7604_g_mbus_fmt, + .s_mbus_fmt = adv7604_g_mbus_fmt, +}; + +static const struct v4l2_subdev_pad_ops adv7604_pad_ops = { + .get_edid = adv7604_get_edid, + .set_edid = adv7604_set_edid, +}; + +static const struct v4l2_subdev_ops adv7604_ops = { + .core = &adv7604_core_ops, + .video = &adv7604_video_ops, + .pad = &adv7604_pad_ops, +}; + +/* -------------------------- custom ctrls ---------------------------------- */ + +static const struct v4l2_ctrl_config adv7604_ctrl_analog_sampling_phase = { + .ops = &adv7604_ctrl_ops, + .id = V4L2_CID_ADV_RX_ANALOG_SAMPLING_PHASE, + .name = "Analog Sampling Phase", + .type = V4L2_CTRL_TYPE_INTEGER, + .min = 0, + .max = 0x1f, + .step = 1, + .def = 0, +}; + +static const struct v4l2_ctrl_config adv7604_ctrl_free_run_color_manual = { + .ops = &adv7604_ctrl_ops, + .id = V4L2_CID_ADV_RX_FREE_RUN_COLOR_MANUAL, + .name = "Free Running Color, Manual", + .type = V4L2_CTRL_TYPE_BOOLEAN, + .min = false, + .max = true, + .step = 1, + .def = false, +}; + +static const struct v4l2_ctrl_config adv7604_ctrl_free_run_color = { + .ops = &adv7604_ctrl_ops, + .id = V4L2_CID_ADV_RX_FREE_RUN_COLOR, + .name = "Free Running Color", + .type = V4L2_CTRL_TYPE_INTEGER, + .min = 0x0, + .max = 0xffffff, + .step = 0x1, + .def = 0x0, +}; + +/* ----------------------------------------------------------------------- */ + +static int adv7604_core_init(struct v4l2_subdev *sd) +{ + struct adv7604_state *state = to_state(sd); + struct adv7604_platform_data *pdata = &state->pdata; + + hdmi_write(sd, 0x48, + (pdata->disable_pwrdnb ? 0x80 : 0) | + (pdata->disable_cable_det_rst ? 0x40 : 0)); + + disable_input(sd); + + /* power */ + io_write(sd, 0x0c, 0x42); /* Power up part and power down VDP */ + io_write(sd, 0x0b, 0x44); /* Power down ESDP block */ + cp_write(sd, 0xcf, 0x01); /* Power down macrovision */ + + /* video format */ + io_write_and_or(sd, 0x02, 0xf0, + pdata->alt_gamma << 3 | + pdata->op_656_range << 2 | + pdata->rgb_out << 1 | + pdata->alt_data_sat << 0); + io_write(sd, 0x03, pdata->op_format_sel); + io_write_and_or(sd, 0x04, 0x1f, pdata->op_ch_sel << 5); + io_write_and_or(sd, 0x05, 0xf0, pdata->blank_data << 3 | + pdata->insert_av_codes << 2 | + pdata->replicate_av_codes << 1 | + pdata->invert_cbcr << 0); + + /* TODO from platform data */ + cp_write(sd, 0x69, 0x30); /* Enable CP CSC */ + io_write(sd, 0x06, 0xa6); /* positive VS and HS */ + io_write(sd, 0x14, 0x7f); /* Drive strength adjusted to max */ + cp_write(sd, 0xba, (pdata->hdmi_free_run_mode << 1) | 0x01); /* HDMI free run */ + cp_write(sd, 0xf3, 0xdc); /* Low threshold to enter/exit free run mode */ + cp_write(sd, 0xf9, 0x23); /* STDI ch. 1 - LCVS change threshold - + ADI recommended setting [REF_01 c. 2.3.3] */ + cp_write(sd, 0x45, 0x23); /* STDI ch. 2 - LCVS change threshold - + ADI recommended setting [REF_01 c. 2.3.3] */ + cp_write(sd, 0xc9, 0x2d); /* use prim_mode and vid_std as free run resolution + for digital formats */ + + /* TODO from platform data */ + afe_write(sd, 0xb5, 0x01); /* Setting MCLK to 256Fs */ + + afe_write(sd, 0x02, pdata->ain_sel); /* Select analog input muxing mode */ + io_write_and_or(sd, 0x30, ~(1 << 4), pdata->output_bus_lsb_to_msb << 4); + + state->prim_mode = pdata->prim_mode; + select_input(sd, pdata->prim_mode); + + enable_input(sd, pdata->prim_mode); + + /* interrupts */ + io_write(sd, 0x40, 0xc2); /* Configure INT1 */ + io_write(sd, 0x41, 0xd7); /* STDI irq for any change, disable INT2 */ + io_write(sd, 0x46, 0x98); /* Enable SSPD, STDI and CP unlocked interrupts */ + io_write(sd, 0x6e, 0xc0); /* Enable V_LOCKED and DE_REGEN_LCK interrupts */ + io_write(sd, 0x73, 0x10); /* Enable CABLE_DET_A_ST (+5v) interrupt */ + + return v4l2_ctrl_handler_setup(sd->ctrl_handler); +} + +static void adv7604_unregister_clients(struct adv7604_state *state) +{ + if (state->i2c_avlink) + i2c_unregister_device(state->i2c_avlink); + if (state->i2c_cec) + i2c_unregister_device(state->i2c_cec); + if (state->i2c_infoframe) + i2c_unregister_device(state->i2c_infoframe); + if (state->i2c_esdp) + i2c_unregister_device(state->i2c_esdp); + if (state->i2c_dpp) + i2c_unregister_device(state->i2c_dpp); + if (state->i2c_afe) + i2c_unregister_device(state->i2c_afe); + if (state->i2c_repeater) + i2c_unregister_device(state->i2c_repeater); + if (state->i2c_edid) + i2c_unregister_device(state->i2c_edid); + if (state->i2c_hdmi) + i2c_unregister_device(state->i2c_hdmi); + if (state->i2c_test) + i2c_unregister_device(state->i2c_test); + if (state->i2c_cp) + i2c_unregister_device(state->i2c_cp); + if (state->i2c_vdp) + i2c_unregister_device(state->i2c_vdp); +} + +static struct i2c_client *adv7604_dummy_client(struct v4l2_subdev *sd, + u8 addr, u8 io_reg) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + + if (addr) + io_write(sd, io_reg, addr << 1); + return i2c_new_dummy(client->adapter, io_read(sd, io_reg) >> 1); +} + +static int adv7604_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct adv7604_state *state; + struct adv7604_platform_data *pdata = client->dev.platform_data; + struct v4l2_ctrl_handler *hdl; + struct v4l2_subdev *sd; + int err; + + /* Check if the adapter supports the needed features */ + if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) + return -EIO; + v4l_dbg(1, debug, client, "detecting adv7604 client on address 0x%x\n", + client->addr << 1); + + state = kzalloc(sizeof(struct adv7604_state), GFP_KERNEL); + if (!state) { + v4l_err(client, "Could not allocate adv7604_state memory!\n"); + return -ENOMEM; + } + + /* platform data */ + if (!pdata) { + v4l_err(client, "No platform data!\n"); + err = -ENODEV; + goto err_state; + } + memcpy(&state->pdata, pdata, sizeof(state->pdata)); + + sd = &state->sd; + v4l2_i2c_subdev_init(sd, client, &adv7604_ops); + sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; + state->connector_hdmi = pdata->connector_hdmi; + + /* i2c access to adv7604? */ + if (adv_smbus_read_byte_data_check(client, 0xfb, false) != 0x68) { + v4l2_info(sd, "not an adv7604 on address 0x%x\n", + client->addr << 1); + err = -ENODEV; + goto err_state; + } + + /* control handlers */ + hdl = &state->hdl; + v4l2_ctrl_handler_init(hdl, 9); + + v4l2_ctrl_new_std(hdl, &adv7604_ctrl_ops, + V4L2_CID_BRIGHTNESS, -128, 127, 1, 0); + v4l2_ctrl_new_std(hdl, &adv7604_ctrl_ops, + V4L2_CID_CONTRAST, 0, 255, 1, 128); + v4l2_ctrl_new_std(hdl, &adv7604_ctrl_ops, + V4L2_CID_SATURATION, 0, 255, 1, 128); + v4l2_ctrl_new_std(hdl, &adv7604_ctrl_ops, + V4L2_CID_HUE, 0, 128, 1, 0); + + /* private controls */ + state->detect_tx_5v_ctrl = v4l2_ctrl_new_std(hdl, NULL, + V4L2_CID_DV_RX_POWER_PRESENT, 0, 1, 0, 0); + state->detect_tx_5v_ctrl->is_private = true; + state->rgb_quantization_range_ctrl = + v4l2_ctrl_new_std_menu(hdl, &adv7604_ctrl_ops, + V4L2_CID_DV_RX_RGB_RANGE, V4L2_DV_RGB_RANGE_FULL, + 0, V4L2_DV_RGB_RANGE_AUTO); + state->rgb_quantization_range_ctrl->is_private = true; + + /* custom controls */ + state->analog_sampling_phase_ctrl = + v4l2_ctrl_new_custom(hdl, &adv7604_ctrl_analog_sampling_phase, NULL); + state->analog_sampling_phase_ctrl->is_private = true; + state->free_run_color_manual_ctrl = + v4l2_ctrl_new_custom(hdl, &adv7604_ctrl_free_run_color_manual, NULL); + state->free_run_color_manual_ctrl->is_private = true; + state->free_run_color_ctrl = + v4l2_ctrl_new_custom(hdl, &adv7604_ctrl_free_run_color, NULL); + state->free_run_color_ctrl->is_private = true; + + sd->ctrl_handler = hdl; + if (hdl->error) { + err = hdl->error; + goto err_hdl; + } + if (adv7604_s_detect_tx_5v_ctrl(sd)) { + err = -ENODEV; + goto err_hdl; + } + + state->i2c_avlink = adv7604_dummy_client(sd, pdata->i2c_avlink, 0xf3); + state->i2c_cec = adv7604_dummy_client(sd, pdata->i2c_cec, 0xf4); + state->i2c_infoframe = adv7604_dummy_client(sd, pdata->i2c_infoframe, 0xf5); + state->i2c_esdp = adv7604_dummy_client(sd, pdata->i2c_esdp, 0xf6); + state->i2c_dpp = adv7604_dummy_client(sd, pdata->i2c_dpp, 0xf7); + state->i2c_afe = adv7604_dummy_client(sd, pdata->i2c_afe, 0xf8); + state->i2c_repeater = adv7604_dummy_client(sd, pdata->i2c_repeater, 0xf9); + state->i2c_edid = adv7604_dummy_client(sd, pdata->i2c_edid, 0xfa); + state->i2c_hdmi = adv7604_dummy_client(sd, pdata->i2c_hdmi, 0xfb); + state->i2c_test = adv7604_dummy_client(sd, pdata->i2c_test, 0xfc); + state->i2c_cp = adv7604_dummy_client(sd, pdata->i2c_cp, 0xfd); + state->i2c_vdp = adv7604_dummy_client(sd, pdata->i2c_vdp, 0xfe); + if (!state->i2c_avlink || !state->i2c_cec || !state->i2c_infoframe || + !state->i2c_esdp || !state->i2c_dpp || !state->i2c_afe || + !state->i2c_repeater || !state->i2c_edid || !state->i2c_hdmi || + !state->i2c_test || !state->i2c_cp || !state->i2c_vdp) { + err = -ENOMEM; + v4l2_err(sd, "failed to create all i2c clients\n"); + goto err_i2c; + } + + /* work queues */ + state->work_queues = create_singlethread_workqueue(client->name); + if (!state->work_queues) { + v4l2_err(sd, "Could not create work queue\n"); + err = -ENOMEM; + goto err_i2c; + } + + INIT_DELAYED_WORK(&state->delayed_work_enable_hotplug, + adv7604_delayed_work_enable_hotplug); + + state->pad.flags = MEDIA_PAD_FL_SOURCE; + err = media_entity_init(&sd->entity, 1, &state->pad, 0); + if (err) + goto err_work_queues; + + err = adv7604_core_init(sd); + if (err) + goto err_entity; + v4l2_info(sd, "%s found @ 0x%x (%s)\n", client->name, + client->addr << 1, client->adapter->name); + return 0; + +err_entity: + media_entity_cleanup(&sd->entity); +err_work_queues: + cancel_delayed_work(&state->delayed_work_enable_hotplug); + destroy_workqueue(state->work_queues); +err_i2c: + adv7604_unregister_clients(state); +err_hdl: + v4l2_ctrl_handler_free(hdl); +err_state: + kfree(state); + return err; +} + +/* ----------------------------------------------------------------------- */ + +static int adv7604_remove(struct i2c_client *client) +{ + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct adv7604_state *state = to_state(sd); + + cancel_delayed_work(&state->delayed_work_enable_hotplug); + destroy_workqueue(state->work_queues); + v4l2_device_unregister_subdev(sd); + media_entity_cleanup(&sd->entity); + adv7604_unregister_clients(to_state(sd)); + v4l2_ctrl_handler_free(sd->ctrl_handler); + kfree(to_state(sd)); + return 0; +} + +/* ----------------------------------------------------------------------- */ + +static struct i2c_device_id adv7604_id[] = { + { "adv7604", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, adv7604_id); + +static struct i2c_driver adv7604_driver = { + .driver = { + .owner = THIS_MODULE, + .name = "adv7604", + }, + .probe = adv7604_probe, + .remove = adv7604_remove, + .id_table = adv7604_id, +}; + +module_i2c_driver(adv7604_driver); |