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path: root/drivers/media/video/upd64031a.c
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Diffstat (limited to 'drivers/media/video/upd64031a.c')
-rw-r--r--drivers/media/video/upd64031a.c193
1 files changed, 113 insertions, 80 deletions
diff --git a/drivers/media/video/upd64031a.c b/drivers/media/video/upd64031a.c
index b4628874933b..7a609a3a6dbe 100644
--- a/drivers/media/video/upd64031a.c
+++ b/drivers/media/video/upd64031a.c
@@ -26,7 +26,7 @@
26#include <linux/kernel.h> 26#include <linux/kernel.h>
27#include <linux/i2c.h> 27#include <linux/i2c.h>
28#include <linux/videodev2.h> 28#include <linux/videodev2.h>
29#include <media/v4l2-common.h> 29#include <media/v4l2-device.h>
30#include <media/v4l2-chip-ident.h> 30#include <media/v4l2-chip-ident.h>
31#include <media/v4l2-i2c-drv.h> 31#include <media/v4l2-i2c-drv.h>
32#include <media/upd64031a.h> 32#include <media/upd64031a.h>
@@ -62,6 +62,7 @@ enum {
62}; 62};
63 63
64struct upd64031a_state { 64struct upd64031a_state {
65 struct v4l2_subdev sd;
65 u8 regs[TOT_REGS]; 66 u8 regs[TOT_REGS];
66 u8 gr_mode; 67 u8 gr_mode;
67 u8 direct_3dycs_connect; 68 u8 direct_3dycs_connect;
@@ -69,6 +70,11 @@ struct upd64031a_state {
69 u8 ext_vert_sync; 70 u8 ext_vert_sync;
70}; 71};
71 72
73static inline struct upd64031a_state *to_state(struct v4l2_subdev *sd)
74{
75 return container_of(sd, struct upd64031a_state, sd);
76}
77
72static u8 upd64031a_init[] = { 78static u8 upd64031a_init[] = {
73 0x00, 0xb8, 0x48, 0xd2, 0xe6, 79 0x00, 0xb8, 0x48, 0xd2, 0xe6,
74 0x03, 0x10, 0x0b, 0xaf, 0x7f, 80 0x03, 0x10, 0x0b, 0xaf, 0x7f,
@@ -78,8 +84,9 @@ static u8 upd64031a_init[] = {
78 84
79/* ------------------------------------------------------------------------ */ 85/* ------------------------------------------------------------------------ */
80 86
81static u8 upd64031a_read(struct i2c_client *client, u8 reg) 87static u8 upd64031a_read(struct v4l2_subdev *sd, u8 reg)
82{ 88{
89 struct i2c_client *client = v4l2_get_subdevdata(sd);
83 u8 buf[2]; 90 u8 buf[2];
84 91
85 if (reg >= sizeof(buf)) 92 if (reg >= sizeof(buf))
@@ -90,106 +97,127 @@ static u8 upd64031a_read(struct i2c_client *client, u8 reg)
90 97
91/* ------------------------------------------------------------------------ */ 98/* ------------------------------------------------------------------------ */
92 99
93static void upd64031a_write(struct i2c_client *client, u8 reg, u8 val) 100static void upd64031a_write(struct v4l2_subdev *sd, u8 reg, u8 val)
94{ 101{
102 struct i2c_client *client = v4l2_get_subdevdata(sd);
95 u8 buf[2]; 103 u8 buf[2];
96 104
97 buf[0] = reg; 105 buf[0] = reg;
98 buf[1] = val; 106 buf[1] = val;
99 v4l_dbg(1, debug, client, "write reg: %02X val: %02X\n", reg, val); 107 v4l2_dbg(1, debug, sd, "write reg: %02X val: %02X\n", reg, val);
100 if (i2c_master_send(client, buf, 2) != 2) 108 if (i2c_master_send(client, buf, 2) != 2)
101 v4l_err(client, "I/O error write 0x%02x/0x%02x\n", reg, val); 109 v4l2_err(sd, "I/O error write 0x%02x/0x%02x\n", reg, val);
102} 110}
103 111
104/* ------------------------------------------------------------------------ */ 112/* ------------------------------------------------------------------------ */
105 113
106/* The input changed due to new input or channel changed */ 114/* The input changed due to new input or channel changed */
107static void upd64031a_change(struct i2c_client *client) 115static int upd64031a_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *freq)
108{ 116{
109 struct upd64031a_state *state = i2c_get_clientdata(client); 117 struct upd64031a_state *state = to_state(sd);
110 u8 reg = state->regs[R00]; 118 u8 reg = state->regs[R00];
111 119
112 v4l_dbg(1, debug, client, "changed input or channel\n"); 120 v4l2_dbg(1, debug, sd, "changed input or channel\n");
113 upd64031a_write(client, R00, reg | 0x10); 121 upd64031a_write(sd, R00, reg | 0x10);
114 upd64031a_write(client, R00, reg & ~0x10); 122 upd64031a_write(sd, R00, reg & ~0x10);
123 return 0;
115} 124}
116 125
117/* ------------------------------------------------------------------------ */ 126/* ------------------------------------------------------------------------ */
118 127
128static int upd64031a_s_routing(struct v4l2_subdev *sd, const struct v4l2_routing *route)
129{
130 struct upd64031a_state *state = to_state(sd);
131 u8 r00, r05, r08;
132
133 state->gr_mode = (route->input & 3) << 6;
134 state->direct_3dycs_connect = (route->input & 0xc) << 4;
135 state->ext_comp_sync =
136 (route->input & UPD64031A_COMPOSITE_EXTERNAL) << 1;
137 state->ext_vert_sync =
138 (route->input & UPD64031A_VERTICAL_EXTERNAL) << 2;
139 r00 = (state->regs[R00] & ~GR_MODE_MASK) | state->gr_mode;
140 r05 = (state->regs[R00] & ~SYNC_CIRCUIT_MASK) |
141 state->ext_comp_sync | state->ext_vert_sync;
142 r08 = (state->regs[R08] & ~DIRECT_3DYCS_CONNECT_MASK) |
143 state->direct_3dycs_connect;
144 upd64031a_write(sd, R00, r00);
145 upd64031a_write(sd, R05, r05);
146 upd64031a_write(sd, R08, r08);
147 return upd64031a_s_frequency(sd, NULL);
148}
149
150static int upd64031a_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_chip_ident *chip)
151{
152 struct i2c_client *client = v4l2_get_subdevdata(sd);
153
154 return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_UPD64031A, 0);
155}
156
157static int upd64031a_log_status(struct v4l2_subdev *sd)
158{
159 v4l2_info(sd, "Status: SA00=0x%02x SA01=0x%02x\n",
160 upd64031a_read(sd, 0), upd64031a_read(sd, 1));
161 return 0;
162}
163
164#ifdef CONFIG_VIDEO_ADV_DEBUG
165static int upd64031a_g_register(struct v4l2_subdev *sd, struct v4l2_register *reg)
166{
167 struct i2c_client *client = v4l2_get_subdevdata(sd);
168
169 if (!v4l2_chip_match_i2c_client(client,
170 reg->match_type, reg->match_chip))
171 return -EINVAL;
172 if (!capable(CAP_SYS_ADMIN))
173 return -EPERM;
174 reg->val = upd64031a_read(sd, reg->reg & 0xff);
175 return 0;
176}
177
178static int upd64031a_s_register(struct v4l2_subdev *sd, struct v4l2_register *reg)
179{
180 struct i2c_client *client = v4l2_get_subdevdata(sd);
181
182 if (!v4l2_chip_match_i2c_client(client,
183 reg->match_type, reg->match_chip))
184 return -EINVAL;
185 if (!capable(CAP_SYS_ADMIN))
186 return -EPERM;
187 upd64031a_write(sd, reg->reg & 0xff, reg->val & 0xff);
188 return 0;
189}
190#endif
191
119static int upd64031a_command(struct i2c_client *client, unsigned cmd, void *arg) 192static int upd64031a_command(struct i2c_client *client, unsigned cmd, void *arg)
120{ 193{
121 struct upd64031a_state *state = i2c_get_clientdata(client); 194 return v4l2_subdev_command(i2c_get_clientdata(client), cmd, arg);
122 struct v4l2_routing *route = arg; 195}
123 196
124 switch (cmd) { 197/* ----------------------------------------------------------------------- */
125 case VIDIOC_S_FREQUENCY:
126 upd64031a_change(client);
127 break;
128
129 case VIDIOC_INT_G_VIDEO_ROUTING:
130 route->input = (state->gr_mode >> 6) |
131 (state->direct_3dycs_connect >> 4) |
132 (state->ext_comp_sync >> 1) |
133 (state->ext_vert_sync >> 2);
134 route->output = 0;
135 break;
136
137 case VIDIOC_INT_S_VIDEO_ROUTING:
138 {
139 u8 r00, r05, r08;
140
141 state->gr_mode = (route->input & 3) << 6;
142 state->direct_3dycs_connect = (route->input & 0xc) << 4;
143 state->ext_comp_sync =
144 (route->input & UPD64031A_COMPOSITE_EXTERNAL) << 1;
145 state->ext_vert_sync =
146 (route->input & UPD64031A_VERTICAL_EXTERNAL) << 2;
147 r00 = (state->regs[R00] & ~GR_MODE_MASK) | state->gr_mode;
148 r05 = (state->regs[R00] & ~SYNC_CIRCUIT_MASK) |
149 state->ext_comp_sync | state->ext_vert_sync;
150 r08 = (state->regs[R08] & ~DIRECT_3DYCS_CONNECT_MASK) |
151 state->direct_3dycs_connect;
152 upd64031a_write(client, R00, r00);
153 upd64031a_write(client, R05, r05);
154 upd64031a_write(client, R08, r08);
155 upd64031a_change(client);
156 break;
157 }
158
159 case VIDIOC_LOG_STATUS:
160 v4l_info(client, "Status: SA00=0x%02x SA01=0x%02x\n",
161 upd64031a_read(client, 0), upd64031a_read(client, 1));
162 break;
163 198
199static const struct v4l2_subdev_core_ops upd64031a_core_ops = {
200 .log_status = upd64031a_log_status,
201 .g_chip_ident = upd64031a_g_chip_ident,
164#ifdef CONFIG_VIDEO_ADV_DEBUG 202#ifdef CONFIG_VIDEO_ADV_DEBUG
165 case VIDIOC_DBG_G_REGISTER: 203 .g_register = upd64031a_g_register,
166 case VIDIOC_DBG_S_REGISTER: 204 .s_register = upd64031a_s_register,
167 {
168 struct v4l2_register *reg = arg;
169
170 if (!v4l2_chip_match_i2c_client(client,
171 reg->match_type, reg->match_chip))
172 return -EINVAL;
173 if (!capable(CAP_SYS_ADMIN))
174 return -EPERM;
175 if (cmd == VIDIOC_DBG_G_REGISTER) {
176 reg->val = upd64031a_read(client, reg->reg & 0xff);
177 break;
178 }
179 upd64031a_write(client, reg->reg & 0xff, reg->val & 0xff);
180 break;
181 }
182#endif 205#endif
206};
183 207
184 case VIDIOC_G_CHIP_IDENT: 208static const struct v4l2_subdev_tuner_ops upd64031a_tuner_ops = {
185 return v4l2_chip_ident_i2c_client(client, arg, 209 .s_frequency = upd64031a_s_frequency,
186 V4L2_IDENT_UPD64031A, 0); 210};
187 211
188 default: 212static const struct v4l2_subdev_video_ops upd64031a_video_ops = {
189 break; 213 .s_routing = upd64031a_s_routing,
190 } 214};
191 return 0; 215
192} 216static const struct v4l2_subdev_ops upd64031a_ops = {
217 .core = &upd64031a_core_ops,
218 .tuner = &upd64031a_tuner_ops,
219 .video = &upd64031a_video_ops,
220};
193 221
194/* ------------------------------------------------------------------------ */ 222/* ------------------------------------------------------------------------ */
195 223
@@ -199,6 +227,7 @@ static int upd64031a_probe(struct i2c_client *client,
199 const struct i2c_device_id *id) 227 const struct i2c_device_id *id)
200{ 228{
201 struct upd64031a_state *state; 229 struct upd64031a_state *state;
230 struct v4l2_subdev *sd;
202 int i; 231 int i;
203 232
204 if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) 233 if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
@@ -210,19 +239,23 @@ static int upd64031a_probe(struct i2c_client *client,
210 state = kmalloc(sizeof(struct upd64031a_state), GFP_KERNEL); 239 state = kmalloc(sizeof(struct upd64031a_state), GFP_KERNEL);
211 if (state == NULL) 240 if (state == NULL)
212 return -ENOMEM; 241 return -ENOMEM;
213 i2c_set_clientdata(client, state); 242 sd = &state->sd;
243 v4l2_i2c_subdev_init(sd, client, &upd64031a_ops);
214 memcpy(state->regs, upd64031a_init, sizeof(state->regs)); 244 memcpy(state->regs, upd64031a_init, sizeof(state->regs));
215 state->gr_mode = UPD64031A_GR_ON << 6; 245 state->gr_mode = UPD64031A_GR_ON << 6;
216 state->direct_3dycs_connect = UPD64031A_3DYCS_COMPOSITE << 4; 246 state->direct_3dycs_connect = UPD64031A_3DYCS_COMPOSITE << 4;
217 state->ext_comp_sync = state->ext_vert_sync = 0; 247 state->ext_comp_sync = state->ext_vert_sync = 0;
218 for (i = 0; i < TOT_REGS; i++) 248 for (i = 0; i < TOT_REGS; i++)
219 upd64031a_write(client, i, state->regs[i]); 249 upd64031a_write(sd, i, state->regs[i]);
220 return 0; 250 return 0;
221} 251}
222 252
223static int upd64031a_remove(struct i2c_client *client) 253static int upd64031a_remove(struct i2c_client *client)
224{ 254{
225 kfree(i2c_get_clientdata(client)); 255 struct v4l2_subdev *sd = i2c_get_clientdata(client);
256
257 v4l2_device_unregister_subdev(sd);
258 kfree(to_state(sd));
226 return 0; 259 return 0;
227} 260}
228 261