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author | Anton Vorontsov <cbouatmailru@gmail.com> | 2008-07-30 02:05:23 +0400 |
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committer | Anton Vorontsov <cbouatmailru@gmail.com> | 2008-07-30 02:05:23 +0400 |
commit | 9fec6060d9e48ed7db0dac0e16d0f0f0e615b7f6 (patch) | |
tree | 74b41f31a08f6500ff3dfcf64ba21e2d9a8e87e5 /drivers/media/video/cx18/cx18-i2c.c | |
parent | fece418418f51e92dd7e67e17c5e3fe5a28d3279 (diff) | |
parent | 6e86841d05f371b5b9b86ce76c02aaee83352298 (diff) | |
download | linux-9fec6060d9e48ed7db0dac0e16d0f0f0e615b7f6.tar.gz linux-9fec6060d9e48ed7db0dac0e16d0f0f0e615b7f6.tar.bz2 linux-9fec6060d9e48ed7db0dac0e16d0f0f0e615b7f6.zip |
Merge branch 'master' of /home/cbou/linux-2.6
Conflicts:
drivers/power/Kconfig
drivers/power/Makefile
Diffstat (limited to 'drivers/media/video/cx18/cx18-i2c.c')
-rw-r--r-- | drivers/media/video/cx18/cx18-i2c.c | 37 |
1 files changed, 27 insertions, 10 deletions
diff --git a/drivers/media/video/cx18/cx18-i2c.c b/drivers/media/video/cx18/cx18-i2c.c index 18c88d1e4833..6023ba3bd3a6 100644 --- a/drivers/media/video/cx18/cx18-i2c.c +++ b/drivers/media/video/cx18/cx18-i2c.c @@ -25,6 +25,7 @@ #include "cx18-cards.h" #include "cx18-gpio.h" #include "cx18-av-core.h" +#include "cx18-i2c.h" #include <media/ir-kbd-i2c.h> @@ -38,10 +39,6 @@ #define GETSCL_BIT 0x0004 #define GETSDL_BIT 0x0008 -#ifndef I2C_ADAP_CLASS_TV_ANALOG -#define I2C_ADAP_CLASS_TV_ANALOG I2C_CLASS_TV_ANALOG -#endif - #define CX18_CS5345_I2C_ADDR 0x4c /* This array should match the CX18_HW_ defines */ @@ -73,7 +70,7 @@ static const u8 hw_bus[] = { }; /* This array should match the CX18_HW_ defines */ -static const char * const hw_drivernames[] = { +static const char * const hw_devicenames[] = { "tuner", "tveeprom", "cs5345", @@ -94,8 +91,7 @@ int cx18_i2c_register(struct cx18 *cx, unsigned idx) id = hw_driverids[idx]; bus = hw_bus[idx]; memset(&info, 0, sizeof(info)); - strlcpy(info.driver_name, hw_drivernames[idx], - sizeof(info.driver_name)); + strlcpy(info.type, hw_devicenames[idx], sizeof(info.type)); info.addr = hw_addrs[idx]; for (i = 0; i < I2C_CLIENTS_MAX; i++) if (cx->i2c_clients[i] == NULL) @@ -278,7 +274,7 @@ static const char *cx18_i2c_id_name(u32 id) for (i = 0; i < ARRAY_SIZE(hw_driverids); i++) if (hw_driverids[i] == id) - return hw_drivernames[i]; + return hw_devicenames[i]; return "unknown device"; } @@ -289,7 +285,7 @@ static const char *cx18_i2c_hw_name(u32 hw) for (i = 0; i < ARRAY_SIZE(hw_driverids); i++) if (1 << i == hw) - return hw_drivernames[i]; + return hw_devicenames[i]; return "unknown device"; } @@ -311,8 +307,12 @@ int cx18_i2c_hw(struct cx18 *cx, u32 hw, unsigned int cmd, void *arg) { int addr; - if (hw == CX18_HW_GPIO || hw == 0) + if (hw == 0) return 0; + + if (hw == CX18_HW_GPIO) + return cx18_gpio(cx, cmd, arg); + if (hw == CX18_HW_CX23418) return cx18_av_cmd(cx, cmd, arg); @@ -350,6 +350,8 @@ void cx18_call_i2c_clients(struct cx18 *cx, unsigned int cmd, void *arg) cx18_av_cmd(cx, cmd, arg); i2c_clients_command(&cx->i2c_adap[0], cmd, arg); i2c_clients_command(&cx->i2c_adap[1], cmd, arg); + if (cx->hw_flags & CX18_HW_GPIO) + cx18_gpio(cx, cmd, arg); } /* init + register i2c algo-bit adapter */ @@ -358,6 +360,18 @@ int init_cx18_i2c(struct cx18 *cx) int i; CX18_DEBUG_I2C("i2c init\n"); + /* Sanity checks for the I2C hardware arrays. They must be the + * same size and GPIO/CX23418 must be the last entries. + */ + if (ARRAY_SIZE(hw_driverids) != ARRAY_SIZE(hw_addrs) || + ARRAY_SIZE(hw_devicenames) != ARRAY_SIZE(hw_addrs) || + CX18_HW_GPIO != (1 << (ARRAY_SIZE(hw_addrs) - 2)) || + CX18_HW_CX23418 != (1 << (ARRAY_SIZE(hw_addrs) - 1)) || + hw_driverids[ARRAY_SIZE(hw_addrs) - 1]) { + CX18_ERR("Mismatched I2C hardware arrays\n"); + return -ENODEV; + } + for (i = 0; i < 2; i++) { memcpy(&cx->i2c_adap[i], &cx18_i2c_adap_template, sizeof(struct i2c_adapter)); @@ -391,6 +405,7 @@ int init_cx18_i2c(struct cx18 *cx) write_reg_sync(0x00c000c0, 0xc7001c); mdelay(10); write_reg_sync(0x00c00000, 0xc7001c); + mdelay(10); write_reg_sync(0x00c00000, 0xc730c8); /* Set to edge-triggered intrs. */ write_reg_sync(0x00c00000, 0xc730c4); /* Clear any stale intrs */ @@ -405,6 +420,8 @@ int init_cx18_i2c(struct cx18 *cx) cx18_setscl(&cx->i2c_algo_cb_data[1], 1); cx18_setsda(&cx->i2c_algo_cb_data[1], 1); + cx18_reset_i2c_slaves_gpio(cx); + return i2c_bit_add_bus(&cx->i2c_adap[0]) || i2c_bit_add_bus(&cx->i2c_adap[1]); } |